APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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