Cita APA (7th ed.)

Tortora, G. J. (2007). Microbiology: An introduction (9th ed.). Pearson Benjamin Cummings.

Cita Chicago (17th ed.)

Tortora, Gerard J. Microbiology: An Introduction. 9th ed. San Francisco, Calif.: Pearson Benjamin Cummings, 2007.

Cita MLA (9th ed.)

Tortora, Gerard J. Microbiology: An Introduction. 9th ed. Pearson Benjamin Cummings, 2007.