APA (7th ed.) Citation

Keller, E. A. (2005). Introduction to environmental geology (Third edition.). Pearson Education.

Chicago Style (17th ed.) Citation

Keller, Edward A. Introduction to Environmental Geology. Third edition. Upper Saddle River, New Jersey: Pearson Education, 2005.

MLA (9th ed.) Citation

Keller, Edward A. Introduction to Environmental Geology. Third edition. Pearson Education, 2005.