MLA

Fenchel, Tom, et al. Bacterial Biogeochemistry. Academic Press, 2012.

APA

Fenchel, T., Blackburn, T. Henry, King, G. M, & Blackburn, H. (2012). Bacterial Biogeochemistry. Academic Press.

Chicago

Fenchel, Tom, Thomas Henry Blackburn, Gary M King, and Henry Blackburn. Bacterial Biogeochemistry. : Academic Press, 2012.