Zotero
Collect and organise sources, check metadata and insert citations into documents.
Explore ZoteroVerify source metadata, match citations to references and apply the required style consistently without inventing sources.
Verify source metadata, match citations to references and apply the required style consistently without inventing sources. Provide your institutional style guide, draft references and accessible source identifiers.
Deliverables depend on the agreed scope. Academic work remains your own; engineering and financial guidance does not replace qualified professional approval.
These introductory examples use Charles Darwin’s 1859 book as an illustration. They demonstrate citation mechanics, not a recommendation to cite this source for your topic. Always verify the edition you actually read, the required style edition and your institution’s guide.
Author and year in the text; add a page locator for direct quotations.
An alphabetical reference list, usually ordered by the author’s surname.
There is no single universal Harvard specification. Punctuation, italics, access dates and publisher/location rules depend on your institution.
(Darwin, 1859, p. 10)
Example reference / bibliography entryDarwin, C. (1859) On the origin of species. London: John Murray.
Author–date citations, with a page number for a direct quotation.
An alphabetical reference list with hanging indents.
Book titles use sentence case and italics. Publisher locations are omitted; include a DOI when applicable.
(Darwin, 1859, p. 10)
Example reference / bibliography entryDarwin, C. (1859). On the origin of species. John Murray.
Author and page in parentheses, normally without a year or comma.
An alphabetical Works Cited list built from the core elements of the source.
Book titles are italicised and use title case. Containers describe sources published within larger works.
(Darwin 10)
Example reference / bibliography entryDarwin, Charles. On the Origin of Species. John Murray, 1859.
Choose notes–bibliography or author–date according to the brief. The example uses a numbered footnote.
Notes–bibliography usually combines numbered notes and an alphabetical bibliography; author–date uses a reference list.
Keep the chosen system consistent. A note uses natural name order; a bibliography inverts the first author’s name.
Charles Darwin, On the Origin of Species (John Murray, 1859), 10.
Example reference / bibliography entryDarwin, Charles. On the Origin of Species. John Murray, 1859.
Numbered citations in square brackets, assigned by first appearance and reused for that source.
A numbered reference list in citation order.
Use author initials before surnames and source-specific punctuation. Add a page locator where appropriate.
[1, p. 10]
Example reference / bibliography entry[1] C. Darwin, On the Origin of Species. London, U.K.: John Murray, 1859.
A numbered sequence in order of first citation. Brackets, parentheses or superscripts follow the institution or journal’s specification.
Numbered references in citation order; journal names commonly use standard abbreviations.
Record authors, title and publication details in the required order. NLM Citing Medicine provides source-type examples.
[1]
Example reference / bibliography entry1. Darwin C. On the origin of species. London: John Murray; 1859.
Superscript footnote markers lead to legal authorities or secondary sources, with pinpoint references where needed.
Longer work may require a bibliography and separate tables of cases and legislation; follow the prescribed edition.
Use legal authority formats for cases and legislation. For secondary books, the note uses natural name order and a pinpoint without “p.”.
Charles Darwin, On the Origin of Species (John Murray 1859) 10.
Example reference / bibliography entryDarwin C, On the Origin of Species (John Murray 1859)
Superscript Arabic numbers identify sources in order of first citation.
A numbered reference list, with author surnames followed by initials.
Use the journal’s instructions for source types, journal abbreviations and placement of citation markers around punctuation.
1
Example reference / bibliography entry1. Darwin C. On the Origin of Species. John Murray; 1859.
ACS permits numbered and author–date approaches; use the form specified by the journal or institution. The example uses a superscript.
Order the reference list to match the selected citation system.
Book references use author initials, an italicised title and publication details; article formats also require journal metadata.
1
Example reference / bibliography entry1. Darwin, C. On the Origin of Species; John Murray: London, 1859.
Use software to organise sources and insert citations, then check its metadata and output against the original publications.
Collect and organise sources, check metadata and insert citations into documents.
Explore ZoteroOrganise research PDFs and references, annotate sources and manage citation information.
Explore MendeleyMaintain reference libraries and use output styles for citations and bibliographies.
Explore EndNoteWe support research skills, editing, citation verification and original reference examples. We do not invent sources, fabricate research data or provide assessed work for submission as someone else’s own.
No. Harvard conventions differ between institutions; your course or university guide takes precedence.
Provide your institutional style guide, draft references and accessible source identifiers.
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