APA (7th ed.) Citation

United States. Congress. House. Committee on Ways and Means, ProQuest (Firm), & United States. Post Office Department. (1840). Letter from the Postmaster General. transmitting an estimate of appropriations for the Post Office Department for the year 1840. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Ways and Means, ProQuest (Firm), and United States. Post Office Department. Letter from the Postmaster General. Transmitting an Estimate of Appropriations for the Post Office Department for the Year 1840. Washington: [publisher not identified], 1840.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Ways and Means, et al. Letter from the Postmaster General. Transmitting an Estimate of Appropriations for the Post Office Department for the Year 1840. [publisher not identified], 1840.