APA (7th ed.) Citation

Ling, F., & Duff, P. (2002). Pocket guide for obstetrics and gynecology: Principples for practice. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ling, Frank, and Patrick Duff. Pocket Guide for Obstetrics and Gynecology: Principples for Practice. New York: McGraw-Hill, 2002.

MLA (8th ed.) Citation

Ling, Frank, and Patrick Duff. Pocket Guide for Obstetrics and Gynecology: Principples for Practice. McGraw-Hill, 2002.