Cita APA (7a ed.)

Brock, T. D. (1991). Biology of microorganisms (6th ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Brock, Thomas D. Biology of Microorganisms. 6th ed. Englewood Cliffs, N. J: Prentice-Hall, 1991.

Cita MLA (9a ed.)

Brock, Thomas D. Biology of Microorganisms. 6th ed. Prentice-Hall, 1991.