Transportation of mail [microform] : hearings, Ninety-third Congress, first session

Chicago citation style
United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service. Transportation of mail [microform] : hearings, Ninety-third Congress, first session. 1973. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/003214230. (Accessed November 15, 2018.)
APA citation style
United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service, (1973) Transportation of mail [microform] : hearings, Ninety-third Congress, first session. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/003214230
MLA citation style
United States. Congress. House. Committee on Post Office and Civil Service. Subcommittee on Postal Service. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/003214230>.
Note: These citations are programmatically generated and may be incomplete.