APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1832). Postage accruing for year ending March 31, 1831. Letter from the Postmaster General, transmitting a statement of the amount of postage accruing at each post office in each state and territory for the year ending 31st March, 1831. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Postage Accruing for Year Ending March 31, 1831. Letter from the Postmaster General, Transmitting a Statement of the Amount of Postage Accruing at Each Post Office in Each State and Territory for the Year Ending 31st March, 1831. Washington: [publisher not identified], 1832.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Postage Accruing for Year Ending March 31, 1831. Letter from the Postmaster General, Transmitting a Statement of the Amount of Postage Accruing at Each Post Office in Each State and Territory for the Year Ending 31st March, 1831. [publisher not identified], 1832.