APA

Merrill R. M., Timmreck T. C., . (2006). Introduction to epidemiology. Boston: Jones and Bartlett.

Chicago

Merrill Ray M, Timmreck Thomas C, . 2006. Introduction to epidemiology. Boston: Jones and Bartlett.

Harvard

Merrill R. M., Timmreck T. C., . (2006). Introduction to epidemiology. Boston: Jones and Bartlett.

MLA

Merrill Ray M, Timmreck Thomas C, . Introduction to epidemiology. Boston: Jones and Bartlett. 2006.