MLA

Dahl, Christiane; Friedrich, Cornelius G, Christiane Dahl, and Cornelius G Friedrich. Microbial Sulfur Metabolism. Springer Berlin Heidelberg, 2008.

APA

Dahl, C. G, Dahl, C., & Friedrich, C. G. (2008). Microbial Sulfur Metabolism. Springer Berlin Heidelberg.

Chicago

Dahl, Christiane; Friedrich, Cornelius G., Christiane Dahl, and Cornelius G Friedrich. Microbial Sulfur Metabolism. : Springer Berlin Heidelberg, 2008.