Cita APA (7th ed.)
Penner, C. L. (1994). Getting your sex life off to a great start: A guide for engaged and newlywed couples. W. Publishing Group.
Cita Chicago (17th ed.)
Penner, Clifford L. Getting Your Sex Life off to a Great Start: A Guide for Engaged and Newlywed Couples. Tennessee: W. Publishing Group, 1994.
Cita MLA (9th ed.)
Penner, Clifford L. Getting Your Sex Life off to a Great Start: A Guide for Engaged and Newlywed Couples. W. Publishing Group, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.