Cita APA (7th ed.)

Klein, F. (1980). The bisexual option: A concept of one-hundred percent intimacy / Fred Klein. Berkley.

Cita Chicago (17th ed.)

Klein, Fred. The Bisexual Option: A Concept of One-hundred Percent Intimacy / Fred Klein. New York: Berkley, 1980.

Cita MLA (8th ed.)

Klein, Fred. The Bisexual Option: A Concept of One-hundred Percent Intimacy / Fred Klein. Berkley, 1980.