United States. Post Office Department & ProQuest (Firm). (1831). Nett amount of postage accruing at each post office, for the year ending March 31, 1830. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Nett Amount of Postage Accruing at Each Post Office, for the Year Ending March 31, 1830. Washington: [publisher not identified], 1831.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Nett Amount of Postage Accruing at Each Post Office, for the Year Ending March 31, 1830. [publisher not identified], 1831.
Warning: These citations may not always be 100% accurate.