United States. Post Office Department & ProQuest (Firm). (1830). Amount of postages for one year prior to 31st March, 1829. Letter from the Postmaster General, transmitting a statement of the amount of postages accruing in the United States for one year prior to 31st March, 1829. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Amount of Postages for One Year Prior to 31st March, 1829. Letter from the Postmaster General, Transmitting a Statement of the Amount of Postages Accruing in the United States for One Year Prior to 31st March, 1829. Washington: [publisher not identified], 1830.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Amount of Postages for One Year Prior to 31st March, 1829. Letter from the Postmaster General, Transmitting a Statement of the Amount of Postages Accruing in the United States for One Year Prior to 31st March, 1829. [publisher not identified], 1830.