APA-Zitierstil (7. Ausg.)

Keller, E. A. (2012). Introduction to environmental geology (Fifth edition.). Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Keller, Edward A. Introduction to Environmental Geology. Fifth edition. Upper Saddle River, New Jersey: Prentice Hall, 2012.

MLA-Zitierstil (9. Ausg.)

Keller, Edward A. Introduction to Environmental Geology. Fifth edition. Prentice Hall, 2012.