Cita APA (7a ed.)

Paul, E. A., & Clark, F. E. (1996). Soil microbiology and biochemistry (2nd ed.). Academic Press.

Cita Chicago Style (17a ed.)

Paul, Eldor Alvin, y Francis Eugene Clark. Soil Microbiology and Biochemistry. 2nd ed. San Diego, Calif.: Academic Press, 1996.

Cita MLA (8a ed.)

Paul, Eldor Alvin, y Francis Eugene Clark. Soil Microbiology and Biochemistry. 2nd ed. Academic Press, 1996.