APA Edition Citation

Keller, E. A. (2012). Introduction to Environmental Geology (5th ed.). Prentice Hall.

Chicago Edition Citation

Keller, Edward A. Introduction to Environmental Geology. 5th ed. Upper Saddle River, NJ: Prentice Hall, 2012.

MLA Edition Citation

Keller, Edward A. Introduction to Environmental Geology. 5th ed. Prentice Hall, 2012.

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