APA (7th ed.) Citation

Williams & Wilkins & Beck, W. W. (1997). Obstretrics and gynecology (4th ed.). Williams & Wilkins.

Chicago Style (17th ed.) Citation

Williams & Wilkins and William W. Beck. Obstretrics and Gynecology. 4th ed. Baltimore: Williams & Wilkins, 1997.

MLA (8th ed.) Citation

Williams & Wilkins and William W. Beck. Obstretrics and Gynecology. 4th ed. Williams & Wilkins, 1997.

Warning: These citations may not always be 100% accurate.