MLA

Nilsson, Fredrik, and Birger Rapp. Understanding Competitive Advantage. Springer Berlin Heidelberg, 2005.

APA

Nilsson, F., & Rapp, B. (2005). Understanding Competitive Advantage. Springer Berlin Heidelberg.

Chicago

Nilsson, Fredrik, and Birger Rapp. Understanding Competitive Advantage. : Springer Berlin Heidelberg, 2005.