Cita APA

Willett, W. (1998). Nutritional epidemiology (2nd ed.). Oxford University Press.

Citación estilo Chicago

Willett, Walter. Nutritional Epidemiology. 2nd ed. New York: Oxford University Press, 1998.

Cita MLA

Willett, Walter. Nutritional Epidemiology. 2nd ed. Oxford University Press, 1998.