MLA

Lichtenstein, Gary R. Medical Therapy of Ulcerative Colitis. Springer New York, 2014.

APA

Lichtenstein, G. R. (2014). Medical Therapy of Ulcerative Colitis. Springer New York.

Chicago

Lichtenstein, Gary R. Medical Therapy of Ulcerative Colitis. : Springer New York, 2014.