APA (7th ed.) Citation

Keogh, P., Holland, P., & Weatherburn, P. (1998). The boys in the backroom: Anonymous sex among gay and bisexual men. London: Sigma Research.

Chicago Style (17th ed.) Citation

Keogh, Peter, Paul Holland, and Peter Weatherburn. The Boys in the Backroom: Anonymous Sex Among Gay and Bisexual Men. London: Sigma Research, 1998.

MLA (8th ed.) Citation

Keogh, Peter, et al. The Boys in the Backroom: Anonymous Sex Among Gay and Bisexual Men. London: Sigma Research, 1998.