MLA

Santoro, Nanette F, Genevieve Neal-Perry, and Nanette Santoro. Amenorrhea. Humana Press, 2010.

APA

Santoro, N. F, Neal-Perry, G., & Santoro, N. (2010). Amenorrhea. Humana Press.

Chicago

Santoro, Nanette F., Genevieve Neal-Perry, and Nanette Santoro. Amenorrhea. : Humana Press, 2010.