APA (7th ed.) Citation

Walker, W. A., & Humphries Courtney. (2006). The Harvard Medical School guide to healthy eating during pregnancy. McGraw-Hill.

Chicago Style (17th ed.) Citation

Walker, W. Allan, and Humphries Courtney. The Harvard Medical School Guide to Healthy Eating During Pregnancy. New York: McGraw-Hill, 2006.

MLA (9th ed.) Citation

Walker, W. Allan, and Humphries Courtney. The Harvard Medical School Guide to Healthy Eating During Pregnancy. McGraw-Hill, 2006.