United States Postal Service. Board of Governors, ProQuest (Firm), & United States. Congress. House. Committee on Post Office and Civil Service. (1973). Statutes restricting private carriage of mail and their administration. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States Postal Service. Board of Governors, ProQuest (Firm), and United States. Congress. House. Committee on Post Office and Civil Service. Statutes Restricting Private Carriage of Mail and Their Administration. Washington: U.S. Govt. Print. Off, 1973.
MLA (9th ed.) CitationUnited States Postal Service. Board of Governors, et al. Statutes Restricting Private Carriage of Mail and Their Administration. U.S. Govt. Print. Off, 1973.
Warning: These citations may not always be 100% accurate.