Citazione Stile APA (7a Edizione)

Gordon, S., & Libby, R. W. (1976). Sexuality today and tomorrow: Contemporary issues in human sexuality. Duxbury.

Citazione stile Chigago Style (17a edizione)

Gordon, Sol, e Roger W. Libby. Sexuality Today and Tomorrow: Contemporary Issues in Human Sexuality. California: Duxbury, 1976.

Citatione MLA (9a ed.)

Gordon, Sol, e Roger W. Libby. Sexuality Today and Tomorrow: Contemporary Issues in Human Sexuality. Duxbury, 1976.