APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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