APA (7th ed.) Citation

De Blij, H. J., Muller, P. O., & Williams, R. S., Jr. (2004). Physical geography: The global environment (3rd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

De Blij, Harm J., Peter O. Muller, and Richard S. Williams, Jr. Physical Geography: The Global Environment. 3rd ed. New York: Oxford University Press, 2004.

MLA (9th ed.) Citation

De Blij, Harm J., et al. Physical Geography: The Global Environment. 3rd ed. Oxford University Press, 2004.