APA (7th ed.) Zitazioa

Norton, C. F. (1981). Microbiology. Addison-Wesley.

Chicago Style (17th ed.) Zitazioa

Norton, Cynthia Friend. Microbiology. Reading, Mass: Addison-Wesley, 1981.

MLA (9th ed.) Zitazioa

Norton, Cynthia Friend. Microbiology. Addison-Wesley, 1981.