APA (7th ed.) Citation

Margetts, B. M., & Nelson, M. (1991). Design concepts in nutritional epidemiology. Oxford University Press.

Chicago Style (17th ed.) Citation

Margetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. Oxford, Eng.: Oxford University Press, 1991.

MLA (9th ed.) Citation

Margetts, Barrie M., and Michael Nelson. Design Concepts in Nutritional Epidemiology. Oxford University Press, 1991.