Citation Generator

Referencing is one of the few parts of academic writing with genuinely objective right and wrong answers, which makes it a strange place for so many students to lose easy marks. A brilliant argument built on excellent sources can still be marked down for inconsistent formatting, missing elements, or the wrong style entirely. This tool builds a correctly formatted reference and matching in-text citation for six of the most widely used academic styles, and the guide below explains the logic behind each one so you are not just copying a format, but actually understanding why it looks the way it does.

How to Use This Citation Generator

• Choose your style and source type first. The fields below adjust automatically depending on whether you are citing a book, a journal article, or a website, since each needs slightly different information.
• Add extra authors if needed. Click "Add another author" for up to three named authors. For four or more, list the first author and the tool will format the rest as "et al." automatically, matching standard convention across every style covered here.
• Generate a single reference, or build a running list. Use "Generate Reference" to preview one citation, or "Add to My Reference List" to save it into a running, alphabetically sorted list you can keep adding to as you research.
• Your list is saved in your own browser. It uses your browser's local storage, meaning it stays there between visits on the same device and browser, but is never sent to or stored on our servers, and will not appear if you switch devices or clear your browsing data.

Why Referencing Properly Actually Matters

Referencing does three distinct jobs at once, and it is worth understanding all three, because students who only think of referencing as "avoiding plagiarism" tend to treat it as a box-ticking exercise rather than a genuine academic skill.

First, it gives credit. Every idea, data point, or direct quotation that did not originate with you belongs, in part, to the person who first made that argument or gathered that evidence. Referencing is the mechanism by which academic work acknowledges that intellectual debt.

Second, it allows verification. A reader who wants to check your source, read further into a topic, or confirm a claim needs enough information to actually locate that source themselves. A reference that is missing a page number, has the wrong year, or points to a source that does not exist is not just untidy, it actively breaks this function.

Third, and often underestimated, referencing signals the breadth and credibility of your research. A marker scanning your reference list gets an almost immediate sense of whether you have engaged with a narrow, thin set of sources or built your argument on a genuinely wide, well-chosen body of evidence, often before reading a single word of your actual argument.

Citation Styles Compared

Which Referencing Style Does My Subject Use?

There is no single rule that applies across every UK university, since individual departments, and sometimes individual module leaders, set their own referencing requirements. That said, some strong general patterns hold across most institutions:

• Psychology and most social sciences lean heavily toward APA, reflecting the discipline's dominant academic journals.
• English literature and other humanities subjects frequently use MLA, particularly for close textual analysis where page-specific citation matters.
• Business, management, and many general undergraduate programmes commonly default to Harvard, partly because it is widely taught as a general-purpose UK academic standard.
• History and some other humanities subjects often use Chicago, particularly the footnote-based notes-and-bibliography variant, which allows for discursive footnotes alongside the citation itself.
• Medicine, nursing, and other health sciences almost universally use Vancouver, matching the convention used across major medical journals.
• Engineering and computer science commonly use IEEE, again mirroring the convention used in the field's major journals and conference proceedings.
• Law typically uses OSCOLA, a footnote-based system with its own distinctive conventions not covered by this tool, since legal citation has specific rules around case law and legislation that general-purpose styles do not handle.

If your module handbook specifies a style, always follow that over any general pattern described here, since the exact requirement always sits with your own department and, ultimately, your marker.

APA 7th: The Essentials

APA (American Psychological Association) style uses an author-date in-text citation, written as (Smith, 2021), with a full alphabetically ordered reference list at the end called "References." Titles of books and journal names are italicised; article titles are not. Only the first word of a book or article title (and any proper nouns) is capitalised, which is a common point where students revert to title case out of habit and lose easy marks.

MLA 9th: The Essentials

MLA (Modern Language Association) style is built around the idea that a reader should be able to find the exact passage you are referring to, which is why its in-text citations typically include a page number, written as (Smith 24), with no comma between the author and page. The end-of-document list is called "Works Cited," and unlike APA, MLA titles use title case (capitalising each major word).

Harvard: The Essentials

Harvard referencing is technically a family of closely related author-date styles rather than one single fixed standard, which is why you will sometimes see small formatting differences between "Harvard" as taught at different UK universities. The core in-text format, (Smith, 2021), and the general structure of the reference list, remain broadly consistent, but always check your own department's specific style guide for details like punctuation and capitalisation, since minor Harvard variants genuinely differ from institution to institution.

Chicago: The Essentials

Chicago style actually offers two distinct systems: notes-bibliography, which uses numbered footnotes alongside a bibliography, and author-date, which works more like APA or Harvard with an in-text (Smith 2021) format. Notes-bibliography is the more common choice in history and some humanities subjects specifically because footnotes allow for additional commentary alongside a citation, something author-date in-text citations cannot easily accommodate. This tool generates a bibliography-style reference entry alongside an author-date style in-text citation as a general-purpose default; check which Chicago variant your department expects, since the two are not interchangeable.

Vancouver: The Essentials

Vancouver style numbers references in the order they first appear in your text, using a simple bracketed number like [1], rather than an author's name. That same number is then reused every time you cite that same source again later in the document, and the reference list at the end is ordered by citation number, not alphabetically. This makes Vancouver reference lists sensitive to the order you write in: inserting a new citation early in a finished document can, in principle, require renumbering everything that follows, which is exactly the kind of tedious manual work a proper reference manager (or careful planning) helps avoid.

IEEE: The Essentials

IEEE (Institute of Electrical and Electronics Engineers) style is closely related to Vancouver in that it is also a numbered system, using bracketed numbers like [1] in order of first appearance. It is the dominant convention in engineering, computer science, and related technical fields, largely because it is the standard used by IEEE's own journals and conference proceedings, which make up a huge share of the literature students in these fields are reading and citing.

Worked Example: One Source, All Six Styles

Seeing the same journal article formatted six different ways makes the differences between styles far more concrete than reading rules alone. Here is a single fictional source (one author, a journal article) formatted correctly in each style covered by this tool.

Notice how the same four pieces of information (author, title, journal details, year) get reorganised, re-punctuated, and re-capitalised entirely differently by each style, even though nothing about the underlying source has changed. This is exactly why manually converting a reference list from one style to another is so error-prone, and why generating each reference directly in your required style from the start, rather than writing in one style and converting later, tends to produce far fewer mistakes.

How to Reference Tricky Source Types

Not every source fits neatly into "book," "journal article," or "website." A few source types come up often enough in student work to be worth covering specifically.

Do You Need a Reference Manager?

For a single short essay with five or six sources, a tool like this one is usually all you need. Once you are working on a dissertation, thesis, or any project drawing on dozens or hundreds of sources, dedicated reference management software becomes genuinely worth the setup time.

• Zotero is free, open-source, and widely recommended by university libraries. It can automatically capture citation details directly from a webpage or database with a single click, and integrates with Word and Google Docs to insert and reformat citations automatically.
• Mendeley is also free and combines reference management with PDF annotation, which some students find useful for keeping notes attached directly to the source they came from.
• EndNote is a paid tool, though many UK universities provide free institutional access to students. It is particularly common in STEM and medical fields, partly because of long-standing integration with major journal submission systems.

The main advantage of any reference manager over manual citation is that switching your entire document from one style to another (say, from Harvard to APA because a module handbook was updated) becomes a few clicks instead of a full manual rewrite of every reference. For shorter, single-style pieces of work, this tool remains the faster option.

In-Text Citations vs the Reference List

A common point of confusion for students newer to academic writing is understanding that in-text citations and the reference list are two connected but different things, and both are required together, not as alternatives.

• The in-text citation is the short marker that appears directly within your writing, at the exact point where you are using a source, such as (Smith, 2021) or [1]. Its job is to show precisely where a specific claim, quotation, or piece of evidence came from.
• The reference list (or bibliography, works cited list, or reference section, depending on style) is the complete, fuller entry that appears at the end of your document, giving all the details needed to actually locate the source: full author names, title, publisher, journal details, and so on.
• Every in-text citation needs a matching reference list entry, and vice versa. A source referenced in your reference list but never actually cited anywhere in your text (or the reverse) is a common, easily avoidable error markers specifically look out for.

Common Referencing Mistakes

• Mixing styles within one document. Even small inconsistencies, like switching between italicised and non-italicised journal titles partway through a reference list, stand out immediately to a marker familiar with the style.
• Inconsistent capitalisation. APA and Vancouver use sentence case for titles (only the first word and proper nouns capitalised); MLA and Chicago typically use title case. Applying the wrong convention is one of the most common, and most visible, small errors.
• Missing page numbers on direct quotations. Even in styles where page numbers are not required for every citation, a direct quotation almost always needs one, regardless of style.
• Alphabetising by first name instead of surname. Reference lists in author-date styles are ordered by the author's surname, not their first name or initial.
• Forgetting that Vancouver and IEEE are ordered by first appearance, not alphabetically. Students used to APA or Harvard sometimes alphabetise a Vancouver or IEEE reference list out of habit, which is incorrect for those two systems.
• Citing a source you have not actually read. Secondary citation (citing a source because another author mentioned it, without reading the original yourself) has its own specific citation convention in most styles, and simply citing it as if you read it directly is considered poor academic practice.

How Referencing Relates to Plagiarism

Proper referencing is the single most effective, and most straightforward, way to avoid accidental plagiarism. Most cases of accidental plagiarism in student work do not come from copying an entire essay; they come from paraphrasing a source closely without citing it, forgetting to reference an idea that shaped an argument even when no text was directly copied, or losing track of which notes came from which source during research. Referencing consistently and as you go, rather than trying to reconstruct your sources after a draft is finished, is by far the most reliable protection against all three. If you want to check a finished piece of writing for originality before submitting, our plagiarism checker is a useful next step.

Frequently Asked Questions

Which citation style should I use for my essay?

Always check your module handbook or assignment brief first, since the specific style is usually set by your department rather than left to personal choice. If it genuinely is not specified, Harvard or APA are the most broadly accepted defaults across UK universities for essay-based subjects.

Is this citation generator accurate enough to use directly in my assignment?

The formatting logic follows the core conventions of each style covered here and is a strong starting point, but citation rules have many edge cases (multiple works by the same author in the same year, edited volumes, translated works, and more) that a general tool cannot fully cover. Always cross-check a generated reference against your university's official style guide before final submission, especially for unusual source types.

Do I need to reference common knowledge?

Genuinely common knowledge, information that would be widely known and undisputed by anyone reasonably informed about the general topic, typically does not need a citation. The difficulty is that "common knowledge" is narrower than it feels, especially within a specific academic field. If you are unsure whether something counts, it is almost always safer to cite it.

What happens if I use the wrong referencing style?

This varies by marker and department. Some treat it as a presentation issue with a minor mark deduction; others may be stricter, particularly in subjects like law or medicine where the specific citation convention is considered part of professional practice. Either way, it is an easily avoidable loss of marks, since the correct style is almost always stated clearly in your assignment brief.

How do I cite a source with no listed author?

Most styles allow you to cite by organisation name instead (for example, a government department or company), or by the title of the work if no author or organisation is given. The exact convention differs slightly by style, so check your specific style guide, but the general principle across all of them is the same: use whatever comes first in the full reference entry as the in-text citation anchor.

Can I mix Vancouver and IEEE numbering in the same document?

No. Although both are numbered systems, they follow different internal conventions for how references are ordered, formatted, and reused. Mixing them would produce an inconsistent, incorrect reference list. Choose one system and apply it consistently throughout the entire document.

How many authors can I list before using "et al."?

This varies by style. APA uses full author names for up to twenty authors in the reference list (though in-text citations shorten to "et al." after the first citation once there are three or more authors); MLA and Chicago typically switch to "et al." after three authors; Vancouver commonly lists up to six before switching. This tool applies commonly used defaults, but always check your specific style guide for documents with many authors.

Does my reference list save if I close the browser tab?

Yes. Your list is stored in your browser's local storage on this specific device and browser, so it will still be there if you close the tab and come back later. It will not transfer to a different device or browser, and clearing your browser's site data will remove it.

What is the difference between a bibliography and a reference list?

A reference list includes only the sources you directly cited in your text. A bibliography is broader, and in some conventions includes sources you consulted during research even if you did not directly cite them in your final piece. Whether your assignment expects one or the other depends on your style guide and your department's specific instructions.

Should URLs be included for every online source?

Generally yes, for genuinely web-based sources such as webpages, online reports, or online-only news articles. Journal articles accessed via a database are usually cited using standard journal details (and a DOI where available) rather than the database URL itself, since the DOI is a stable, permanent identifier while a database URL can change or expire.

Why does my in-text citation look different from my reference list entry?

This is expected and correct in author-date styles like APA and Harvard. The in-text citation is a short pointer, typically just the author's surname and the year, while the reference list entry contains the full publication details needed to locate the source. They are meant to look different; the short in-text version exists specifically so it does not interrupt your writing.

Can I switch citation styles partway through writing?

Technically yes, but it is far more error-prone than starting with the correct style from the beginning, since every in-text citation and every reference list entry needs to be individually reformatted. If you are not using a reference manager, it is worth confirming your required style before you start writing rather than after your first draft is finished.

Do I need to reference images, tables, or figures I include?

Yes, if you did not create them yourself. Reused images, charts, or data tables need a source citation, typically directly beneath the figure as a caption, in addition to (or instead of) an entry in your main reference list, depending on your style guide's specific convention for visual material.

What is the difference between Harvard and APA if they both use (Author, Year)?

They look similar in-text, which is exactly why they are easy to confuse, but differ in several reference list details: capitalisation conventions, exact punctuation, how volume and issue numbers are formatted for journal articles, and specific rules that APA defines centrally (via the official APA Publication Manual) that Harvard, as a looser family of related styles, does not standardise in the same way. Always check which one your department actually means when they say "Harvard," since institutional variants exist.