APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1839). Letter from the Postmaster General, transmitting a statement of the number of clerks employed in the Post Office Department during the year 1838. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a Statement of the Number of Clerks Employed in the Post Office Department During the Year 1838. Washington: [publisher not identified], 1839.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Letter from the Postmaster General, Transmitting a Statement of the Number of Clerks Employed in the Post Office Department During the Year 1838. [publisher not identified], 1839.