United States. Petroleum Administrative Board. (1935). Report on cost of producing crude petroleum. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Petroleum Administrative Board. Report on Cost of Producing Crude Petroleum. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Petroleum Administrative Board. Report on Cost of Producing Crude Petroleum. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.