APA (7th ed.) Citation

Williams & Wilkins, Barzansky, B. M., Beckmann, C. R., & Ling, F. W. (1995). Obstetrics and gynecology (2th ed.). Williams & Wilkins.

Chicago Style (17th ed.) Citation

Williams & Wilkins, Barbara M. Barzansky, Charles R. Beckmann, and Frank W. Ling. Obstetrics and Gynecology. 2th ed. Baltimore: Williams & Wilkins, 1995.

MLA (8th ed.) Citation

Williams & Wilkins, et al. Obstetrics and Gynecology. 2th ed. Williams & Wilkins, 1995.