Vitamin D

MLA

Michael F. Holick, and Michael F Holick. Vitamin D. Humana Press, 2010.

APA

Michael F. Holick, M. F. Holick, & Holick, M. F. (2010). Vitamin D. Humana Press.

Chicago

Michael F. Holick, and Michael F Holick. Vitamin D. : Humana Press, 2010.