Cita APA (7a ed.)

De Blij, H., & Muller, P. O. (1997). Geography: Realms, Religions, and concepts (8th ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

De Blij, H.J, y Peter O. Muller. Geography: Realms, Religions, and Concepts. 8th ed. New York: John Wiley & Sons, 1997.

Cita MLA (9a ed.)

De Blij, H.J, y Peter O. Muller. Geography: Realms, Religions, and Concepts. 8th ed. John Wiley & Sons, 1997.