United States. Congress. House. Committee on Ways and Means & ProQuest (Firm). (1859). Letter from the Postmaster General, communicating estimates for the service of the Post Office Department for the year ending June 30, 1860. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Ways and Means and ProQuest (Firm). Letter from the Postmaster General, Communicating Estimates for the Service of the Post Office Department for the Year Ending June 30, 1860. Washington: [publisher not identified], 1859.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Ways and Means and ProQuest (Firm). Letter from the Postmaster General, Communicating Estimates for the Service of the Post Office Department for the Year Ending June 30, 1860. [publisher not identified], 1859.