Cita APA (7th ed.)
Brent, B. (2002). The ultimate guide to anal sex for men. Cleis Press ; Distributed by Publisher Group West.
Cita Chicago (17th ed.)
Brent, Bill. The Ultimate Guide to Anal Sex for Men. San Francisco, Calif. : [Berkeley, Calif.]: Cleis Press ; Distributed by Publisher Group West, 2002.
Cita MLA (9th ed.)
Brent, Bill. The Ultimate Guide to Anal Sex for Men. Cleis Press ; Distributed by Publisher Group West, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.