United States. Post Office Department & ProQuest (Firm). (1838). Letter from the Postmaster General, transmitting a statement of the contingent expenses of the Post Office Department for the year 1838. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a Statement of the Contingent Expenses of the Post Office Department for the Year 1838. Washington: [publisher not identified], 1838.
MLA (9th ed.) CitationUnited States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a Statement of the Contingent Expenses of the Post Office Department for the Year 1838. [publisher not identified], 1838.
Warning: These citations may not always be 100% accurate.