MLA

Cumstom, Charles Green, and F. G Crookshank. An Introduction to the History of Medicine : From the Time of the Pharaohs to the End of the Xviiith Century. New York: Dorset Press, 1987.

APA

Cumstom, C. Green, & Crookshank, F. G. (1987). An introduction to the history of medicine : from the time of the Pharaohs to the end of the XVIIIth century. New York: Dorset Press.

Chicago

Cumstom, Charles Green, and F. G Crookshank. An Introduction to the History of Medicine: From the Time of the Pharaohs to the End of the Xviiith Century. New York: Dorset Press, 1987.