United States. Congress. Senate. Committee on the District of Columbia & ProQuest (Firm). (1944). [Construction of certain pipe lines for pneumatic tube transmission in District of Columbia by Bureau of National Affairs, Inc.]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on the District of Columbia and ProQuest (Firm). [Construction of Certain Pipe Lines for Pneumatic Tube Transmission in District of Columbia by Bureau of National Affairs, Inc.]. Washington: [publisher not identified], 1944.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on the District of Columbia and ProQuest (Firm). [Construction of Certain Pipe Lines for Pneumatic Tube Transmission in District of Columbia by Bureau of National Affairs, Inc.]. [publisher not identified], 1944.