APA
Brock T. D., Smith D. W. & Madigan M. T. (1984). Biology of microorganisms. Englewood Cliffs: Prentice-Hall.
Chicago
Brock Thomas D, Smith David W and Madigan Michael T. 1984. Biology of microorganisms. Englewood Cliffs: Prentice-Hall.
Harvard
Brock T. D., Smith D. W. and Madigan M. T. (1984). Biology of microorganisms. Englewood Cliffs: Prentice-Hall.
MLA
Brock Thomas D, Smith David W and Madigan Michael T. Biology of microorganisms. Englewood Cliffs: Prentice-Hall. 1984.