APA (7th ed.) Citation

Duckworth, S., Mistry, H. D., & Chappell, L. C. (2012). Vitamin supplements in pregnancy. Wiley.

Chicago Style (17th ed.) Citation

Duckworth, Susan, Hiten D. Mistry, and Lucy C. Chappell. Vitamin Supplements in Pregnancy. Wiley, 2012.

MLA (9th ed.) Citation

Duckworth, Susan, et al. Vitamin Supplements in Pregnancy. Wiley, 2012.