Bird, K. J., & Houseknecht, D. W. (2002). U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA). U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationBird, Kenneth J., and David W. Houseknecht. U.S. Geological Survey 2002 Petroleum Resource Assessment of the National Petroleum Reserve in Alaska (NPRA). [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
MLA (9th ed.) CitationBird, Kenneth J., and David W. Houseknecht. U.S. Geological Survey 2002 Petroleum Resource Assessment of the National Petroleum Reserve in Alaska (NPRA). U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Warning: These citations may not always be 100% accurate.