Cita APA

Keller, E. A. (1981). Environmental geology. Charles E Merrill.

Citación estilo Chicago

Keller, Edward A. Environmental Geology. Columbus: Charles E Merrill, 1981.

Cita MLA

Keller, Edward A. Environmental Geology. Charles E Merrill, 1981.

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