APA Edition Citation

Charles P Gerba, Ian L Pepper, & Raina M maier. (2009). Enviornmental microbiology (2.). Amsterdam.

Chicago Edition Citation

Charles P Gerba, Ian L Pepper, and Raina M maier. Enviornmental Microbiology. 2. Amsterdam, 2009.

MLA Edition Citation

Charles P Gerba, et al. Enviornmental Microbiology. 2. Amsterdam, 2009.