MLA

Sigerist, Henry E. A History of Medicine. 1 : Primitive and Archaic Medicine. New York (N.Y.): Oxford university press, 1951.

APA

Sigerist, H. E. (1951). A history of medicine. 1 : Primitive and archaic medicine. New York (N.Y.): Oxford university press.

Chicago

Sigerist, Henry E., A History of Medicine. 1: Primitive and Archaic Medicine. New York (N.Y.): Oxford university press, 1951.