United States. Congress. Senate. Committee on Interstate Commerce & ProQuest (Firm). (1939). Amendment of Section 204 of Transportation Act of 1920: Hearings before the United States Senate Committee on Interstate Commerce, Subcommittee on S. 2300, Seventy-Sixth Congress, first session, on June 12, 1939. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interstate Commerce and ProQuest (Firm). Amendment of Section 204 of Transportation Act of 1920: Hearings Before the United States Senate Committee on Interstate Commerce, Subcommittee on S. 2300, Seventy-Sixth Congress, First Session, on June 12, 1939. Washington: U.S. G.P.O., 1939.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Interstate Commerce and ProQuest (Firm). Amendment of Section 204 of Transportation Act of 1920: Hearings Before the United States Senate Committee on Interstate Commerce, Subcommittee on S. 2300, Seventy-Sixth Congress, First Session, on June 12, 1939. U.S. G.P.O., 1939.