APA Format
Gordis, Leon
. (2004). Epidemiology. Philadelphia : W.B. Saunders
MLA Format
Gordis, Leon
. Epidemiology. Philadelphia : W.B. Saunders, 2004
Australian/Harvard Format
Gordis, Leon
. 2004. Epidemiology. W.B. Saunders, Philadelphia
Warning: These citations may not always be 100% accurate.