Harvard referencing: a practical guide with examples

Referencing is the part of academic writing most likely to be done badly at two in the morning, and the part most likely to be checked line by line. It is also the easiest place to gain marks, because unlike argument or analysis it is entirely rule-based: get the rules right and the marks follow.

This guide covers author–date Harvard referencing as used across most UK universities. It explains the logic of the system so you can handle sources this article does not list, gives correctly formatted examples for the five source types that cover roughly ninety per cent of undergraduate work, and flags the errors markers see most often.

There is no single Harvard — check your department's guide first

Unlike APA or MHRA, Harvard has no governing body and no single authoritative manual. What exists is a family of author–date styles, and universities publish their own variants. Cite Them Right, used by a large share of UK institutions, is the closest thing to a standard, but your department may differ on details such as whether to italicise journal titles, whether to use 'and' or an ampersand, and how to punctuate multiple authors.

The practical consequence is that you should find your institution's referencing guide before you format a single entry, and treat it as the final word wherever it conflicts with anything else — including this article. Look on your library's website or the module's virtual learning environment; it is almost always a PDF of ten to thirty pages.

What never varies is the underlying logic, and that is what is worth learning. Every Harvard reference answers four questions in a fixed order: who made this, when, what is it called, and where can the reader find it. Once you can see those four slots, an unfamiliar source type stops being frightening.

The two halves of the system

Harvard has exactly two moving parts, and they must match. The in-text citation is a brief pointer in the body of your writing — normally author surname and year, plus a page number when you are quoting or referring to a specific passage. The reference list at the end gives the full details, alphabetised by author surname.

The matching rule is absolute and is the first thing a marker spot-checks: every in-text citation must appear in the reference list, and every entry in the reference list must be cited at least once in the text. A source you read but never cited does not belong there — that is a bibliography, and most Harvard-based courses do not want one.

The reference list is alphabetical by surname, not numbered and not grouped by source type. Where one author has several works, order them by year, oldest first, and distinguish same-year publications with lower-case letters: (Ahmed, 2024a), (Ahmed, 2024b).

In-text citations: the four patterns you actually need

Nearly everything you write will use one of four patterns. The first is the parenthetical citation, where the source sits at the end of the sentence: 'Take-up remained below forty per cent in the first year (Okafor, 2023).' Use this when the finding matters more than who produced it.

The second is the narrative citation, where the author becomes the subject of your sentence: 'Okafor (2023) attributes the shortfall to referral delays rather than eligibility.' Use this when you are engaging with the argument, agreeing, disagreeing or comparing — it makes your critical stance visible.

The third is the page-specific citation, required for direct quotations and strongly advised for close paraphrase: (Okafor, 2023, p. 47) or (Okafor, 2023, pp. 47–49). The fourth is the multi-source citation, which groups agreeing sources in one bracket, separated by semicolons and ordered by year: (Okafor, 2023; Lindqvist, 2024; Barnes, 2026).

• Two authors: (Okafor and Barnes, 2023) — check whether your guide wants 'and' or '&'.
• Three or more authors: (Okafor et al., 2023), with all names given in full in the reference list.
• Organisation as author: (World Health Organization, 2025), spelled out in full on first use.
• No date available: (Barnes, no date) — never invent a year, and never use the date you accessed the page.
• Secondary citation: (Fleming, 1961, cited in Okafor, 2023, p. 12) — and only Okafor goes in your reference list.

Reference list examples you can copy

The five entries below cover the source types that account for the overwhelming majority of undergraduate references. Note the pattern that runs through all of them: author, year in brackets, title, then the location details that let a reader find it. Italics fall on the title of the larger container — the book, the journal, the website — never on the title of a part such as a chapter or article.

Punctuation is not decorative. Full stops separate the major blocks, commas separate items within a block, and the year is always in round brackets immediately after the author. Copy the shapes exactly and substitute your own details.

• Book — Burrows, A. (2020) A restatement of the English law of contract. 2nd edn. Oxford: Oxford University Press.
• Journal article — Okafor, N. and Lindqvist, M. (2024) 'Referral delays and early intervention outcomes in community mental health', British Journal of Social Work, 54(3), pp. 512–530. doi: 10.1093/bjsw/bcad118.
• Website — NHS England (2025) Delivering the 2025/26 planning guidance. Available at: https://www.england.nhs.uk/publication/planning-guidance (Accessed: 12 January 2026).
• Chapter in an edited book — Stapleton, J. (2019) 'Duty of care factors', in Cane, P. and Gardner, J. (eds.) The law of obligations. 3rd edn. Oxford: Clarendon Press, pp. 59–84.
• Report — Institute for Fiscal Studies (2026) The distributional effects of the 2026 Budget. IFS Report R312. London: Institute for Fiscal Studies. Available at: https://ifs.org.uk/publications/r312 (Accessed: 28 January 2026).

Quoting, paraphrasing and where page numbers are compulsory

Short quotations of fewer than about forty words run inside your sentence in single quotation marks, with the citation immediately after the closing mark and before the full stop. Longer quotations are set as a separate indented block without quotation marks, in which case the citation follows the final full stop.

Paraphrase — restating a specific argument in your own words — still needs a citation, and in most departments still needs a page number, because you are pointing at a particular passage rather than the work as a whole. Only a genuinely general reference to an entire book or article can safely omit the page.

The line that gets students into trouble is 'patchwriting': keeping the source's sentence structure and swapping individual words for synonyms. That is not paraphrase, and academic integrity software detects it easily. The reliable method is to read the passage, close the book, write the point from memory in your own construction, then reopen the book to check you have not misrepresented it.

Common mistakes that quietly cost marks

The errors below appear in a large share of submitted work, and each is trivially avoidable. None of them is about intelligence; they are about the last hour before a deadline, which is exactly why building the list as you go matters so much.

• Citing a source that never made it into the reference list, or vice versa.
• Using the access date as the publication date for a web page.
• Referencing a lecture slide or a textbook summary rather than the study it describes.
• Italicising the article title instead of the journal title.
• Listing every author of a six-author paper in the text rather than using 'et al.'.
• Citing a URL alone with no author, title or date — a bare link is not a reference.
• Mixing Harvard with a numeric style because a reference manager was set to the wrong output.

Build the list as you read, not the night before

The single habit that removes referencing stress is capturing the full details at the moment you first open a source, before you have read a word of it. It takes twenty seconds then; reconstructing it three weeks later from a half-remembered title takes twenty minutes.

Reference managers such as Zotero or Mendeley automate most of this and are free, but treat their output as a first draft rather than a finished reference. Automatic capture routinely garbles capitalisation, drops edition numbers and invents publishers. Always read the generated entry against your department's guide before you submit.

If you would rather not use software, a simple table in a document works: author, year, title, source details, and a column for the two or three points you want to use with their page numbers. That last column turns your reference list into a working tool rather than an administrative chore.