APA Citation

De Blij, H. J. (1974). Essentials of geography: Regions and concepts. New York: John Wiley & Sons.

Chicago Style Citation

De Blij, Harm J. Essentials of Geography: Regions and Concepts. New York: John Wiley & Sons, 1974.

MLA Citation

De Blij, Harm J. Essentials of Geography: Regions and Concepts. New York: John Wiley & Sons, 1974.

Warning: These citations may not always be 100% accurate.