United States. Congress. House. Committee on Interstate and Foreign Commerce. Special Subcommittee on Investigations & ProQuest (Firm). (1972). Inquiry into freight car shortages: Hearings, Ninety-second Congress, first and second sessions. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Special Subcommittee on Investigations and ProQuest (Firm). Inquiry into Freight Car Shortages: Hearings, Ninety-second Congress, First and Second Sessions. Washington: U.S. Govt. Print. Off, 1972.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Special Subcommittee on Investigations and ProQuest (Firm). Inquiry into Freight Car Shortages: Hearings, Ninety-second Congress, First and Second Sessions. U.S. Govt. Print. Off, 1972.