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