MLA

Olsen, Jørn, et al. An Introduction to Epidemiology for Health Professionals. Springer New York, 2010.

APA

Olsen, J., Christensen, K., Ekbom, A., & Murray, J. (2010). An Introduction to Epidemiology for Health Professionals. Springer New York.

Chicago

Olsen, Jørn, Kaare Christensen, Anders Ekbom, Jeff Murray, and Jørn Olsen. An Introduction to Epidemiology for Health Professionals. : Springer New York, 2010.