APA (7th ed.) Citation

Claus, G. W., & Balkwill, D. (1989). Understanding microbes: A laboratory textbook for microbiology. W.H. Freeman.

Chicago Style (17th ed.) Citation

Claus, G. William, and David Balkwill. Understanding Microbes: A Laboratory Textbook for Microbiology. New York: W.H. Freeman, 1989.

MLA (9th ed.) Citation

Claus, G. William, and David Balkwill. Understanding Microbes: A Laboratory Textbook for Microbiology. W.H. Freeman, 1989.