APA (7th ed.) Citation

Hacker, N. F., Moore, J. G., & Gambone, J. C. (2004). Essentials of obstetrics and gynecology (Fourth edition.). Saunders.

Chicago Style (17th ed.) Citation

Hacker, Neville F., J. George Moore, and Joseph C. Gambone. Essentials of Obstetrics and Gynecology. Fourth edition. Philadelphia, Pa.: Saunders, 2004.

MLA (8th ed.) Citation

Hacker, Neville F., et al. Essentials of Obstetrics and Gynecology. Fourth edition. Saunders, 2004.