APA (7th ed.) Citation

De Blij, H. J. (1995). The earth: An introduction to its physical and human geography (4th ed.). Wiley.

Chicago Style (17th ed.) Citation

De Blij, Harm J. The Earth: An Introduction to Its Physical and Human Geography. 4th ed. New York: Wiley, 1995.

MLA (9th ed.) Citation

De Blij, Harm J. The Earth: An Introduction to Its Physical and Human Geography. 4th ed. Wiley, 1995.