APA (7th ed.) Citation

Winston, R. B. (1990). Preliminary report on coal quality trends in Upper Pottsville Formation coal groups and their relationships to coal resource development, coalbed methane occurrence, and geologic history in the Warrior coal basin, Alabama. Geological Survey of Alabama, Energy and Coastal Geology Division : For additional copies write Publication Sales Office.

Chicago Style (17th ed.) Citation

Winston, Richard B. Preliminary Report on Coal Quality Trends in Upper Pottsville Formation Coal Groups and Their Relationships to Coal Resource Development, Coalbed Methane Occurrence, and Geologic History in the Warrior Coal Basin, Alabama. Tuscaloosa, Ala.: Geological Survey of Alabama, Energy and Coastal Geology Division : For additional copies write Publication Sales Office, 1990.

MLA (9th ed.) Citation

Winston, Richard B. Preliminary Report on Coal Quality Trends in Upper Pottsville Formation Coal Groups and Their Relationships to Coal Resource Development, Coalbed Methane Occurrence, and Geologic History in the Warrior Coal Basin, Alabama. Geological Survey of Alabama, Energy and Coastal Geology Division : For additional copies write Publication Sales Office, 1990.