Cita APA (7th ed.)

Gordis Leon. (2004). Epidemiology (3th ed.). Elsevier Saunders.

Cita Chicago (17th ed.)

Gordis Leon. Epidemiology. 3th ed. Pennsylvania: Elsevier Saunders, 2004.

Cita MLA (9th ed.)

Gordis Leon. Epidemiology. 3th ed. Elsevier Saunders, 2004.