APA-referens (7:e uppl.)

Leyner, M., & Goldberg, B. (2005). Why do men have nipples?: Hundreds of questions you'd only ask a doctor after your third martini (First edition.). Three Rivers Press.

Chicago-referens (17:e uppl.)

Leyner, Mark, och Billy Goldberg. Why Do Men Have Nipples?: Hundreds of Questions You'd Only Ask a Doctor After Your Third Martini. First edition. New York: Three Rivers Press, 2005.

MLA-referens (9:e uppl.)

Leyner, Mark, och Billy Goldberg. Why Do Men Have Nipples?: Hundreds of Questions You'd Only Ask a Doctor After Your Third Martini. First edition. Three Rivers Press, 2005.