United States. Congress. Senate. Committee on Post Offices and Post Roads & ProQuest (Firm). (1890). [Simplifying and economizing collection and management of postal revenues.]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). [Simplifying and Economizing Collection and Management of Postal Revenues.]. Washington: [publisher not identified], 1890.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Post Offices and Post Roads and ProQuest (Firm). [Simplifying and Economizing Collection and Management of Postal Revenues.]. [publisher not identified], 1890.
Warning: These citations may not always be 100% accurate.