Cita APA (7th ed.)
Kroll, G. (1998). Friction: Best gay erotic fiction. Alyson Books.
Cita Chicago (17th ed.)
Kroll, Gerry. Friction: Best Gay Erotic Fiction. Los Angeles: Alyson Books, 1998.
Cita MLA (9th ed.)
Kroll, Gerry. Friction: Best Gay Erotic Fiction. Alyson Books, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.