United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on Post Office and Civil Service. (1961). Extension of postage rates on library materials to films under 16 millimeters in size and film catalogs thereof. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on Post Office and Civil Service. Extension of Postage Rates on Library Materials to Films Under 16 Millimeters in Size and Film Catalogs Thereof. Washington: [publisher not identified], 1961.
MLA (9th ed.) CitationUnited States. Congress. House, et al. Extension of Postage Rates on Library Materials to Films Under 16 Millimeters in Size and Film Catalogs Thereof. [publisher not identified], 1961.