Life and Health Sciences Harvard Referencing Guidelines: et al. - how to use

• et al. is an abbreviation that we use in text for publications with 3 or more authors.
• In text we use the surname of the lead author and et al. to indicate the rest,  with the year of publication.
• The et al. must be italicised with a full stop.
• In the full reference we must list all authors names.

Reference List

Example of the full reference at the end of your assignment - 1st edition:

Boore, J., Cook, N. and Shepherd, A . (2017) The nurse's anatomy and physiology colouring book. London: Sage. 

In-text citation 

Example 1 - where the author's name occurs naturally in the sentence

Boore et al. (2017) found that...

Reference List

Example of the full reference at the end of your assignment - 2nd or subsequent edition: 

Keltner, N.L., Bostrom, C.E. and McGuinness, T.M. (2011) Psychiatric nursing. 6th ed. St. Louis, Mo.: Elsevier Mosby. 

In-text citation

Example 1 - where the author's name does not occur naturally in the sentence

Recent research (Keltner et al. 2011) .....