APA (7th ed.) Citation

National Assessment of Oil and Gas Project (U.S.) & Geological Survey (U.S.). (2002). Assessment of undiscovered oil and gas resources of the Powder River basin Province of Wyoming and Montana, 2002. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

National Assessment of Oil and Gas Project (U.S.) and Geological Survey (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Powder River Basin Province of Wyoming and Montana, 2002. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

MLA (9th ed.) Citation

National Assessment of Oil and Gas Project (U.S.) and Geological Survey (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Powder River Basin Province of Wyoming and Montana, 2002. U.S. Dept. of the Interior, U.S. Geological Survey, 2002.