APA (7th ed.) Citation

Keller, E. A. (2008). Introduction to environmental geology (Fourth edition.). Pearson/Prentice Hall.

Chicago Style (17th ed.) Citation

Keller, Edward A. Introduction to Environmental Geology. Fourth edition. Upper Saddle River, N.J: Pearson/Prentice Hall, 2008.

MLA (8th ed.) Citation

Keller, Edward A. Introduction to Environmental Geology. Fourth edition. Pearson/Prentice Hall, 2008.