APA-Zitierstil (7. Ausg.)

Keller, E. A. (1979). Environmental geology: With assistance from E. M. Burt (2.ed., 3.print.). Merrill.

Chicago-Zitierstil (17. Ausg.)

Keller, Edward A. Environmental Geology: With Assistance from E. M. Burt. 2.ed., 3.print. Columbus, O: Merrill, 1979.

MLA-Zitierstil (9. Ausg.)

Keller, Edward A. Environmental Geology: With Assistance from E. M. Burt. 2.ed., 3.print. Merrill, 1979.