APA (7th ed.) Citation

Zimmerman, B. E., & Zimmerman, D. J. (1996). Killer germs: Microbes and diseases that threaten humanity. Contemporary Books.

Chicago Style (17th ed.) Citation

Zimmerman, Barry E., and David J. Zimmerman. Killer Germs: Microbes and Diseases That Threaten Humanity. Chicago, Ill.: Contemporary Books, 1996.

MLA (9th ed.) Citation

Zimmerman, Barry E., and David J. Zimmerman. Killer Germs: Microbes and Diseases That Threaten Humanity. Contemporary Books, 1996.