APA (7th ed.) Citation

Keller, E. A. (2000). Environmental geology (8th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Keller, Edward A. Environmental Geology. 8th ed. Upper Saddle River, N.J: Prentice Hall, 2000.

MLA (9th ed.) Citation

Keller, Edward A. Environmental Geology. 8th ed. Prentice Hall, 2000.