United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service & ProQuest (Firm). (1973). Transportation of mail: Hearings, Ninety-third Congress, first session. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service and ProQuest (Firm). Transportation of Mail: Hearings, Ninety-third Congress, First Session. Washington: U.S. Govt. Print. Off, 1973.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service and ProQuest (Firm). Transportation of Mail: Hearings, Ninety-third Congress, First Session. U.S. Govt. Print. Off, 1973.
Warning: These citations may not always be 100% accurate.