APA (7th ed.) Citation

Keller,edward A. (1982). Environmental Geology. Charles E Merril.

Chicago Style (17th ed.) Citation

Keller,edward A. Environmental Geology. Charles E Merril, 1982.

MLA (8th ed.) Citation

Keller,edward A. Environmental Geology. Charles E Merril, 1982.

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