APA (7th ed.) Citation

Tierno, P. M. (2001). The secret life of germs: Observations and lessons from a microbe hunter. Pocket Books.

Chicago Style (17th ed.) Citation

Tierno, Philip M. The Secret Life of Germs: Observations and Lessons from a Microbe Hunter. New York: Pocket Books, 2001.

MLA (9th ed.) Citation

Tierno, Philip M. The Secret Life of Germs: Observations and Lessons from a Microbe Hunter. Pocket Books, 2001.