APA Edition Citation

Gerba, C. P. A., Maier, R. M. A., & Pepper, I. L. A. (2000). Environmental microbiology.

Chicago Edition Citation

Gerba, Charles P; Author, Raina M; Author Maier, and Ian L; Author Pepper. Environmental Microbiology. San Diego, Academic Press, 2000.

MLA Edition Citation

Gerba, Charles P; Author, et al. Environmental Microbiology. 2000.