Birkeland, J. (1949). Microbiology and man (2nd ed.). Appleton-Century-Crofts.
Cita Chicago Style (17a ed.)Birkeland, Jorgen. Microbiology and Man. 2nd ed. New York: Appleton-Century-Crofts, 1949.
Cita MLA (8a ed.)Birkeland, Jorgen. Microbiology and Man. 2nd ed. Appleton-Century-Crofts, 1949.
Precaución: Estas citas no son 100% exactas.