APA

Armour Richard Willard, Grant C., . (1966). It all started with Hippocrates. New York: McGraw-Hill.

Chicago

Armour Richard Willard, Grant Campbell, . 1966. It all started with Hippocrates. New York: McGraw-Hill.

Harvard

Armour Richard Willard, Grant C., . (1966). It all started with Hippocrates. New York: McGraw-Hill.

MLA

Armour Richard Willard, Grant Campbell, . It all started with Hippocrates. New York: McGraw-Hill. 1966.