APA (7th ed.) Citation

Rees, M., Karoshi, M., & Keith, L. (2008). Obesity and pregnancy. Royal Society of Medicine Press Limited.

Chicago Style (17th ed.) Citation

Rees, Margaret, Mahantesh Karoshi, and Louis Keith. Obesity and Pregnancy. London: Royal Society of Medicine Press Limited, 2008.

MLA (9th ed.) Citation

Rees, Margaret, et al. Obesity and Pregnancy. Royal Society of Medicine Press Limited, 2008.