MLA

Ahrens, Wolfgang; Pigeot, Iris, Wolfgang Ahrens, and Iris Pigeot. Handbook of Epidemiology. Springer Berlin Heidelberg, 2005.

APA

Ahrens, I., Ahrens, W., & Pigeot, I. (2005). Handbook of Epidemiology. Springer Berlin Heidelberg.

Chicago

Ahrens, Wolfgang; Pigeot, Iris, Wolfgang Ahrens, and Iris Pigeot. Handbook of Epidemiology. : Springer Berlin Heidelberg, 2005.