Swigart, T. E., & Beecher, C. E. (1923). Manual for oil and gas operations: Including Operating regulations to govern the production of oil and gas under the acts of February 25, 1920, June 4, 1920, and March 4, 1923, and under special agreement by the United States. Govt. Print. Off..
Chicago Style (17th ed.) CitationSwigart, Theodore Earl, and Charles Edward Beecher. Manual for Oil and Gas Operations: Including Operating Regulations to Govern the Production of Oil and Gas Under the Acts of February 25, 1920, June 4, 1920, and March 4, 1923, and Under Special Agreement by the United States. Washington, D.C.: Govt. Print. Off., 1923.
MLA (8th ed.) CitationSwigart, Theodore Earl, and Charles Edward Beecher. Manual for Oil and Gas Operations: Including Operating Regulations to Govern the Production of Oil and Gas Under the Acts of February 25, 1920, June 4, 1920, and March 4, 1923, and Under Special Agreement by the United States. Govt. Print. Off., 1923.