APA (7th ed.) Citation

Zehnder, A. J. (1988). Biology of anaerobic microorganisms. John Wiley.

Chicago Style (17th ed.) Citation

Zehnder, Alexander J. Biology of Anaerobic Microorganisms. New York, USA: John Wiley, 1988.

MLA (9th ed.) Citation

Zehnder, Alexander J. Biology of Anaerobic Microorganisms. John Wiley, 1988.