Cita APA (7th ed.)

Penner, C., & Penner, J. (1994). 52 ways to have fun, fantastic sex: A guidebook for married couples. Thomas Nelson Publishers.

Cita Chicago (17th ed.)

Penner, Clifford, i Joyce Penner. 52 Ways to Have Fun, Fantastic Sex: A Guidebook for Married Couples. Tennessee: Thomas Nelson Publishers, 1994.

Cita MLA (9th ed.)

Penner, Clifford, i Joyce Penner. 52 Ways to Have Fun, Fantastic Sex: A Guidebook for Married Couples. Thomas Nelson Publishers, 1994.