APA (7th ed.) Citation

Hoffman, F., & Kleinman, R. L. (1969). Advanced concepts in contraception.: Proceedings of four symposia. Excerpta Medica.

Chicago Style (17th ed.) Citation

Hoffman, Fredric, and Ronald L. Kleinman. Advanced Concepts in Contraception.: Proceedings of Four Symposia. Amsterdam: Excerpta Medica, 1969.

MLA (9th ed.) Citation

Hoffman, Fredric, and Ronald L. Kleinman. Advanced Concepts in Contraception.: Proceedings of Four Symposia. Excerpta Medica, 1969.