Keller. (2011). Environmental geology (9th ed.). Upper Saddle River, N.J.: Pearson Prentice Hall.
Chicago Style CitationKeller. Environmental Geology. 9th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2011.
MLA CitationKeller. Environmental Geology. 9th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2011.
Warning: These citations may not always be 100% accurate.