De Blij, H. J., & Muller, P. O. (1997). Geography: Realms,regions and concepts (8th ed.). Wiley.
Chicago Style (17th ed.) CitationDe Blij, Harm J., and Peter O. Muller. Geography: Realms,regions and Concepts. 8th ed. New York: Wiley, 1997.
MLA (9th ed.) CitationDe Blij, Harm J., and Peter O. Muller. Geography: Realms,regions and Concepts. 8th ed. Wiley, 1997.
Warning: These citations may not always be 100% accurate.