Román-Colón, Y. A., & Ruppert, L. F. (2014). Central Appalachian Basin natural gas database: Distribution, composition, and origin of natural gases. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationRomán-Colón, Yomayra A., and Leslie F. Ruppert. Central Appalachian Basin Natural Gas Database: Distribution, Composition, and Origin of Natural Gases. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2014.
MLA (9th ed.) CitationRomán-Colón, Yomayra A., and Leslie F. Ruppert. Central Appalachian Basin Natural Gas Database: Distribution, Composition, and Origin of Natural Gases. U.S. Department of the Interior, U.S. Geological Survey, 2014.
Warning: These citations may not always be 100% accurate.