Citazione Stile APA (7a Edizione)

Kelsey, J. L. (1996). Methods in observational epidemiology (2nd ed.). Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Kelsey, Jennifer L. Methods in Observational Epidemiology. 2nd ed. New York: Oxford University Press, 1996.

Citatione MLA (8a ed.)

Kelsey, Jennifer L. Methods in Observational Epidemiology. 2nd ed. Oxford University Press, 1996.