Harvard Referencing: Complete Guide for Dissertations
By Dr. Patricia N., DNP, PhD in Nursing Science. Reviewed by Dr. James W.. 2025-12-10.
Get expert help with this chapter | University guides | Dissertation writing services
Key takeaways
- Harvard is an author-date system without a single authoritative manual
- Always follow your university's specific Harvard guide
- In-text citations include author surname and year
- Use 'et al.' for three or more authors
- Reference list entries are alphabetized by first author's surname
- Include DOIs for journal articles and access dates for websites
Understanding Harvard Referencing
Harvard referencing is an author-date citation system widely used in universities across the United Kingdom, Australia, and increasingly in the United States. Unlike APA, there is no single authoritative 'Harvard Manual', instead, Harvard is a general style that individual universities interpret with their own specific guidelines.
The core principle is simple: in-text citations include the author's surname and year of publication, with page numbers for direct quotes or specific references. A complete reference list at the end of the document provides full publication details, alphabetized by author surname.
Because there's no single authority for Harvard style, always check your university's specific Harvard guide. Variations exist in formatting details like italicization, capitalization, and punctuation. The guidelines in this article follow the most common conventions, but your institution's guide takes priority.
In-Text Citations in Harvard Style
Harvard in-text citations take two forms: parenthetical and narrative. Parenthetical: place the author and year in brackets at the end of the sentence (Smith, 2024). Narrative: integrate the author into your sentence: Smith (2024) argues that...
For two authors, use 'and' between names: (Smith and Jones, 2024). For three or more authors, most Harvard guides now recommend 'et al.' from the first citation: (Smith et al., 2024). For direct quotes, add the page number: (Smith, 2024, p. 45) or (Smith, 2024, pp. 45-47) for multiple pages.
When citing multiple sources, list them in chronological order separated by semicolons: (Smith, 2020; Jones, 2022; Brown, 2024). For multiple works by the same author in the same year, add lowercase letters: (Smith, 2024a, 2024b). For sources with no author, use the title or organization name. For sources with no date, use 'n.d.'
Reference List Formatting
The reference list appears at the end of your document on a new page with 'Reference List' or 'References' as the heading. Entries are single-spaced internally with a blank line between entries (though some institutions require double-spacing throughout).
Book format: Surname, Initials. (Year) Title of book. Edition (if not first). Place of publication: Publisher. Example: Smith, J.A. (2024) Research methods in education. 4th edn. London: Sage Publications.
Journal article format: Surname, Initials. (Year) 'Title of article', Journal Name, Volume(Issue), pp. pages. doi: number. Example: Jones, M.B. (2024) 'Effects of mindfulness on academic performance', Journal of Educational Psychology, 45(3), pp. 234-248. doi: 10.1037/edu0000123.
Website format: Surname, Initials. or Organization (Year) Title of webpage. Available at: URL (Accessed: date). Example: World Health Organization (2024) Mental health in the workplace. Available at: https://www.who.int/mental-health (Accessed: 15 January 2026).