APA (7th ed.) Citation

Gordis, L. (2009). Epidemiology (4th.). Saunders Elsevier.

Chicago Style (17th ed.) Citation

Gordis, Leon. Epidemiology. 4th. USA: Saunders Elsevier, 2009.

MLA (8th ed.) Citation

Gordis, Leon. Epidemiology. 4th. Saunders Elsevier, 2009.