APA (7th ed.) Citation

Geological Survey (U.S.). (2009). Assessment of undiscovered petroleum resources of the Barents Sea Shelf. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Assessment of Undiscovered Petroleum Resources of the Barents Sea Shelf. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.

MLA (9th ed.) Citation

Geological Survey (U.S.). Assessment of Undiscovered Petroleum Resources of the Barents Sea Shelf. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.