Cita APA

Paul, E. A., & Clark, F. E. 1. (1989). Soil microbiology and biochemistry. San Diego: Academic Press.

Citación estilo Chicago

Paul, Eldor Alvin., y F. E. 1910- Clark. Soil Microbiology and Biochemistry. San Diego: Academic Press, 1989.

Cita MLA

Paul, Eldor Alvin., y F. E. 1910- Clark. Soil Microbiology and Biochemistry. San Diego: Academic Press, 1989.