Cita APA

Friedman, G. D. (1980). Primer of Epidemiology (2a.ed.). New York: McGraw-Hill Book Company.

Citación estilo Chicago

Friedman, Gary D. Primer of Epidemiology. 2a.ed. New York: McGraw-Hill Book Company, 1980.

Cita MLA

Friedman, Gary D. Primer of Epidemiology. 2a.ed. New York: McGraw-Hill Book Company, 1980.