Cita APA (7a ed.)

Bartell, G. D. (1971). Group sex: A scientist's eyewitness report on the American way of swinging (3. print.). Wyden.

Cita Chicago Style (17a ed.)

Bartell, Gilbert D. Group Sex: A Scientist's Eyewitness Report on the American Way of Swinging. 3. print. New York: Wyden, 1971.

Cita MLA (8a ed.)

Bartell, Gilbert D. Group Sex: A Scientist's Eyewitness Report on the American Way of Swinging. 3. print. Wyden, 1971.