APA (7th ed.) Citation

Keller, E. A., & King, H. M. (2008). Introduction to environmental geology (4. ed.). Pearson, Prentice Hall.

Chicago Style (17th ed.) Citation

Keller, Edward A., and Hobart M. King. Introduction to Environmental Geology. 4. ed. Upper Saddle River, NJ: Pearson, Prentice Hall, 2008.

MLA (9th ed.) Citation

Keller, Edward A., and Hobart M. King. Introduction to Environmental Geology. 4. ed. Pearson, Prentice Hall, 2008.