American Petroleum Institute. Division of Statistics & Economics. (1967). Quarterly review of drilling statistics for the United States. Division of Statistics & Economics, American Petroleum Institute.
Chicago Style (17th ed.) CitationAmerican Petroleum Institute. Division of Statistics & Economics. Quarterly Review of Drilling Statistics for the United States. Washington, D.C.: Division of Statistics & Economics, American Petroleum Institute, 1967.
MLA (9th ed.) CitationAmerican Petroleum Institute. Division of Statistics & Economics. Quarterly Review of Drilling Statistics for the United States. Division of Statistics & Economics, American Petroleum Institute, 1967.
Warning: These citations may not always be 100% accurate.