APA (7th ed.) Citation

De Blij, H. J., & Muller, P. O. (2008). Geography: Realms, regions, and concepts (13th ed.). Wiley.

Chicago Style (17th ed.) Citation

De Blij, Harm J., and Peter O. Muller. Geography: Realms, Regions, and Concepts. 13th ed. [Hoboken, N.J.]: Wiley, 2008.

MLA (9th ed.) Citation

De Blij, Harm J., and Peter O. Muller. Geography: Realms, Regions, and Concepts. 13th ed. Wiley, 2008.