MLA

Smith, Roy G, and Michael O Thorner. Ghrelin In Health and Disease. Humana Press, 2012.

APA

Smith, R. G, & Thorner, M. O. (2012). Ghrelin in Health and Disease. Humana Press.

Chicago

Smith, Roy G., and Michael O Thorner. Ghrelin In Health and Disease. : Humana Press, 2012.