Silber, S. J., & Barrows, S. (1987). How not to get pregnant: Your guide to simple, reliable contraception. National Book Store.
Style de citation Chicago (17e éd.)Silber, Sherman J., et Scott Barrows. How Not to Get Pregnant: Your Guide to Simple, Reliable Contraception. Manila: National Book Store, 1987.
Style de citation MLA (9e éd.)Silber, Sherman J., et Scott Barrows. How Not to Get Pregnant: Your Guide to Simple, Reliable Contraception. National Book Store, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.