APA (7th ed.) Citation

Prestage, G., Brown, G., & Keen, P. (2012). Barriers to HIV testing among Australian gay men.

Chicago Style (17th ed.) Citation

Prestage, G., Graham Brown, and P. Keen. Barriers to HIV Testing Among Australian Gay Men. 2012.

MLA (9th ed.) Citation

Prestage, G., et al. Barriers to HIV Testing Among Australian Gay Men. 2012.