APA (7th ed.) Citation

Geological Survey (U.S.) & Energy Resource Surveys Program (Geological Survey). (1997). Coalbed methane: An untapped energy resource and an environmental concern. U.S. Geological Survey, Energy Resource Surveys Program.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Energy Resource Surveys Program (Geological Survey). Coalbed Methane: An Untapped Energy Resource and an Environmental Concern. [Denver, CO]: U.S. Geological Survey, Energy Resource Surveys Program, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Energy Resource Surveys Program (Geological Survey). Coalbed Methane: An Untapped Energy Resource and an Environmental Concern. U.S. Geological Survey, Energy Resource Surveys Program, 1997.