Cita APA (7a ed.)

Alexander, M. (1977). Introduction to soil microbiology (2nd. ed.). Wiley.

Cita Chicago Style (17a ed.)

Alexander, Martín. Introduction to Soil Microbiology. 2nd. ed. New York: Wiley, 1977.

Cita MLA (8a ed.)

Alexander, Martín. Introduction to Soil Microbiology. 2nd. ed. Wiley, 1977.