Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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