Geological Survey (U.S.). (1926). Operating regulations to govern production of oil and gas under Act of Feb. 25, 1920 (41 Stat. 437); Act of June 4, 1920 (41 Stat. 812); and Act of Mar. 4, 1923 (42 Stat. 1448); and under special agreement by U.S: Revised and approved July 1, 1926. U.S. GPO.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Operating Regulations to Govern Production of Oil and Gas Under Act of Feb. 25, 1920 (41 Stat. 437); Act of June 4, 1920 (41 Stat. 812); and Act of Mar. 4, 1923 (42 Stat. 1448); and Under Special Agreement by U.S: Revised and Approved July 1, 1926. Washington: U.S. GPO, 1926.
MLA (9th ed.) CitationGeological Survey (U.S.). Operating Regulations to Govern Production of Oil and Gas Under Act of Feb. 25, 1920 (41 Stat. 437); Act of June 4, 1920 (41 Stat. 812); and Act of Mar. 4, 1923 (42 Stat. 1448); and Under Special Agreement by U.S: Revised and Approved July 1, 1926. U.S. GPO, 1926.