National and Global Petroleum Resource Assessment Project (U.S.). (2019). Assessment of undiscovered oil and gas resources of the Sirte and Pelagian Basin Provinces of Libya, Tunisia, Malta, and Italy, 2019. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationNational and Global Petroleum Resource Assessment Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Sirte and Pelagian Basin Provinces of Libya, Tunisia, Malta, and Italy, 2019. [Reston, Va.]: U.S. Department of the Interior, U.S. Geological Survey, 2019.
MLA (9th ed.) CitationNational and Global Petroleum Resource Assessment Project (U.S.). Assessment of Undiscovered Oil and Gas Resources of the Sirte and Pelagian Basin Provinces of Libya, Tunisia, Malta, and Italy, 2019. U.S. Department of the Interior, U.S. Geological Survey, 2019.