APA Citation

Keller. (2011). Environmental geology (9th ed.). Upper Saddle River, N.J.: Pearson Prentice Hall.

Chicago Style Citation

Keller. Environmental Geology. 9th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2011.

MLA Citation

Keller. Environmental Geology. 9th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2011.

Warning: These citations may not always be 100% accurate.