MLA

Chang, R. Jeffrey, et al. Polycystic Ovary Syndrome. Humana Press, 2008.

APA

Chang, R. Jeffrey, Dunaif, A., Dunaif, A. E, Franks, S., & Legro, R. S. (2008). Polycystic Ovary Syndrome. Humana Press.

Chicago

Chang, R. Jeffrey, Andrea Dunaif, Andrea E Dunaif, Stephen Franks, and Richard S Legro. Polycystic Ovary Syndrome. : Humana Press, 2008.