MLA

Frenkel, Michael; Hommel, Ulrich ; Rudolf, Markus, et al. Risk Management. Springer Berlin Heidelberg, 2005.

APA

Frenkel, M.Frenkel, M., Hommel, U., & Rudolf, M. (2005). Risk Management. Springer Berlin Heidelberg.

Chicago

Frenkel, Michael; Hommel, Ulrich ; Rudolf, Markus, Michael Frenkel, Ulrich Hommel, and Markus Rudolf. Risk Management. : Springer Berlin Heidelberg, 2005.