United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1934). To simplify the administration of air-mail routes and contracts. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). To Simplify the Administration of Air-mail Routes and Contracts. Washington: [publisher not identified], 1934.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). To Simplify the Administration of Air-mail Routes and Contracts. [publisher not identified], 1934.
Warning: These citations may not always be 100% accurate.