Cita APA (7th ed.)

Sarrel, L. J., & Sarrel, P. M. (1984). Sexual turning points: The seven stages of adult sexuality. Macmillan.

Cita Chicago (17th ed.)

Sarrel, Lorna J., i Philip M. Sarrel. Sexual Turning Points: The Seven Stages of Adult Sexuality. New York: Macmillan, 1984.

Cita MLA (9th ed.)

Sarrel, Lorna J., i Philip M. Sarrel. Sexual Turning Points: The Seven Stages of Adult Sexuality. Macmillan, 1984.