Cita APA

Keller, E. A. (2000). Environmental geology. Upper Saddle River, N.J: Prentice Hall.

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.