United States. Post Office Department & ProQuest (Firm). (1848). Letter from the Postmaster General, transmitting in compliance with a resolution of the House of the 21st instant, a communication from the First Assistant Postmaster General in regard to a system of reduced postages, &c. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting in Compliance with a Resolution of the House of the 21st Instant, a Communication from the First Assistant Postmaster General in Regard to a System of Reduced Postages, &c. Washington: [publisher not identified], 1848.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting in Compliance with a Resolution of the House of the 21st Instant, a Communication from the First Assistant Postmaster General in Regard to a System of Reduced Postages, &c. [publisher not identified], 1848.