APA (7th ed.) Citation

American Acne & Rosacea Society, Shalita, A. R., Del Rosso, J. Q., & Webster, G. F. (2011). Acne vulgaris. Informa Healthcare.

Chicago Style (17th ed.) Citation

American Acne & Rosacea Society, Alan R. Shalita, James Q. Del Rosso, and Guy F. Webster. Acne Vulgaris. New York: Informa Healthcare, 2011.

MLA (9th ed.) Citation

American Acne & Rosacea Society, et al. Acne Vulgaris. Informa Healthcare, 2011.