United States. Congress. House, ProQuest (Firm), & United States. Congress. House. Committee on Post Office and Post Roads. (1939). Providing for the appraisal of the pneumatic mail tube systems in New York and Boston. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House, ProQuest (Firm), and United States. Congress. House. Committee on Post Office and Post Roads. Providing for the Appraisal of the Pneumatic Mail Tube Systems in New York and Boston. Washington: [publisher not identified], 1939.
MLA (9th ed.) CitationUnited States. Congress. House, et al. Providing for the Appraisal of the Pneumatic Mail Tube Systems in New York and Boston. [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.