Cita APA (7th ed.)

Alan Guttmacher Institute. (1996). Readings on emergency contraception. Alan Guttmacher Institute.

Cita Chicago (17th ed.)

Alan Guttmacher Institute. Readings on Emergency Contraception. New York: Alan Guttmacher Institute, 1996.

Cita MLA (9th ed.)

Alan Guttmacher Institute. Readings on Emergency Contraception. Alan Guttmacher Institute, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.