Cita APA (7a ed.)

De Blij, H. J., & Muller, P. O. (2010). Geography: Realms, regions, and concepts (14th ed.). Wiley.

Cita Chicago Style (17a ed.)

De Blij, Harm J., y Peter O. Muller. Geography: Realms, Regions, and Concepts. 14th ed. Hoboken, N.J: Wiley, 2010.

Cita MLA (9a ed.)

De Blij, Harm J., y Peter O. Muller. Geography: Realms, Regions, and Concepts. 14th ed. Wiley, 2010.