The Ecozones of the World

MLA

Schultz, Jürgen, Bridget Ahnert, and B Ahnert. The Ecozones of the World. Springer Berlin Heidelberg, 2005.

APA

Schultz, J., & Ahnert, B., & Ahnert, B. (2005). The Ecozones of the World. Springer Berlin Heidelberg.

Chicago

Schultz, Jürgen, Bridget Ahnert, Jürgen Schultz, and B Ahnert. The Ecozones of the World. : Springer Berlin Heidelberg, 2005.