United States. Federal Trade Commission. (1940). Reports of the Federal Trade Commission on natural gas and natural gas pipe lines in U.S.A.: Agricultural implement and machinery inquiry, motor vehicle industry inquiry. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Federal Trade Commission. Reports of the Federal Trade Commission on Natural Gas and Natural Gas Pipe Lines in U.S.A.: Agricultural Implement and Machinery Inquiry, Motor Vehicle Industry Inquiry. [Washington]: [publisher not identified], 1940.
MLA (8th ed.) CitationUnited States. Federal Trade Commission. Reports of the Federal Trade Commission on Natural Gas and Natural Gas Pipe Lines in U.S.A.: Agricultural Implement and Machinery Inquiry, Motor Vehicle Industry Inquiry. [publisher not identified], 1940.