Keller, E. A. (2005). Introduction to environmental geology (3rd ed.). Pearson/Prentice Hall.
Chicago Style (17th ed.) CitationKeller, Edward A. Introduction to Environmental Geology. 3rd ed. Upper Saddle River: Pearson/Prentice Hall, 2005.
MLA (9th ed.) CitationKeller, Edward A. Introduction to Environmental Geology. 3rd ed. Pearson/Prentice Hall, 2005.
Warning: These citations may not always be 100% accurate.