APA

Merrill R. M., . (2010). Introduction to epidemiology. Sudbury: Jones and Bartlett Publishers.

Chicago

Merrill Ray M, . 2010. Introduction to epidemiology. Sudbury: Jones and Bartlett Publishers.

Harvard

Merrill R. M., . (2010). Introduction to epidemiology. Sudbury: Jones and Bartlett Publishers.

MLA

Merrill Ray M, . Introduction to epidemiology. Sudbury: Jones and Bartlett Publishers. 2010.