Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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