APA (7th ed.) Citation

American College of Obstetricians and Gynecologists & Beckmann, C. R. B. (2010). Obstetrics and gynecology (6th ed.). Lippincott Williams & Wilkins.

Chicago Style (17th ed.) Citation

American College of Obstetricians and Gynecologists and Charles R. B. Beckmann. Obstetrics and Gynecology. 6th ed. Baltimore, MD: Lippincott Williams & Wilkins, 2010.

MLA (8th ed.) Citation

American College of Obstetricians and Gynecologists and Charles R. B. Beckmann. Obstetrics and Gynecology. 6th ed. Lippincott Williams & Wilkins, 2010.