APA (7th ed.) Citation

Castiglioni, A., & Krumbhaar, E. B. (1941). A history of medicine (First American edition.). A.A. Knopf.

Chicago Style (17th ed.) Citation

Castiglioni, Arturo, and E. B. Krumbhaar. A History of Medicine. First American edition. New York: A.A. Knopf, 1941.

MLA (9th ed.) Citation

Castiglioni, Arturo, and E. B. Krumbhaar. A History of Medicine. First American edition. A.A. Knopf, 1941.