Keller, E. A. (2012). Introduction to environmental geology (Fifth edition.). Prentice Hall.
Chicago Style (17th ed.) CitationKeller, Edward A. Introduction to Environmental Geology. Fifth edition. Upper Saddle River, New Jersey: Prentice Hall, 2012.
MLA (9th ed.) CitationKeller, Edward A. Introduction to Environmental Geology. Fifth edition. Prentice Hall, 2012.
Warning: These citations may not always be 100% accurate.