APA (7th ed.) Citation

Grant, W. D., & Long, P. E. (1981). Environmental microbiology. Wiley.

Chicago Style (17th ed.) Citation

Grant, W. D., and P. E. Long. Environmental Microbiology. New York: Wiley, 1981.

MLA (9th ed.) Citation

Grant, W. D., and P. E. Long. Environmental Microbiology. Wiley, 1981.