APA (7th ed.) Citation

National Oil and Gas Resource Assessment Team (U.S.) & Biewick, L. H. (2013). Map of assessed shale gas in the United States, 2012. U.S. Department of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Oil and Gas Resource Assessment Team (U.S.) and Laura H. Biewick. Map of Assessed Shale Gas in the United States, 2012. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2013.

MLA (9th ed.) Citation

National Oil and Gas Resource Assessment Team (U.S.) and Laura H. Biewick. Map of Assessed Shale Gas in the United States, 2012. U.S. Department of the Interior, U.S. Geological Survey, 2013.