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Harvard Style Guide: Twitter

This guide explains how to use the Harvard Style. It includes a short tutorial.


Reference: Author(s) Last name, Initials. (Year of post) [Twitter] Day Month of tweet. Available at: URL (Accessed Day Month Year).

Example: UCD School of Archaeology (2014) [Twitter] 23 October. Available at: (Accessed 24 June 2015).



  • Author(s) Last name (Year)
  • (Authors(s) Last name, Year)


  • UCD School of Archaeology (2014) reports that lactose intolerance ....
  • It has been found that after 5,000 year of agriculture, early Europeans remained intolerant to lactose (UCD School of Archaeology, 2014).

Note: date of post is used for in-text citation.


Still unsure what in-text citation and referencing mean? Check here

Still unsure why you need to reference all this information? Check here