APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Gordis, Leon. Epidemiology. 4. ed. Philadelphia, Pa. [u.a.]: Saunders, Elsevier, 2009.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.