DeGolyer and MacNaughton & United States. Office of Naval Petroleum and Oil Shale Reserves. (2016). Twentieth century petroleum statistics. DeGolyer and MacNaughton.
Chicago Style (17th ed.) CitationDeGolyer and MacNaughton and United States. Office of Naval Petroleum and Oil Shale Reserves. Twentieth Century Petroleum Statistics. Dallas: DeGolyer and MacNaughton, 2016.
MLA (9th ed.) CitationDeGolyer and MacNaughton and United States. Office of Naval Petroleum and Oil Shale Reserves. Twentieth Century Petroleum Statistics. DeGolyer and MacNaughton, 2016.
Warning: These citations may not always be 100% accurate.