APA (7th ed.) Citation
Paul, E. A., & Clark, F. E. (1989). Soil microbiology and biochemistry. Academic Press.
Chicago Style (17th ed.) Citation
Paul, Eldor Alvin, and F. E. Clark. Soil Microbiology and Biochemistry. San Diego: Academic Press, 1989.
MLA (9th ed.) Citation
Paul, Eldor Alvin, and F. E. Clark. Soil Microbiology and Biochemistry. Academic Press, 1989.
Warning: These citations may not always be 100% accurate.