Cita APA (7th ed.)
Gordis, L. (2014). Epidemiology (5th ed.). Elsevier/Saunders.
Cita Chicago (17th ed.)
Gordis, Leon. Epidemiology. 5th ed. Philadelphia, PA: Elsevier/Saunders, 2014.
Cita MLA (9th ed.)
Gordis, Leon. Epidemiology. 5th ed. Elsevier/Saunders, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.