APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1852). Contracts Post Office Department -- Other than those for transporting the mails. Letter from the Postmaster General, transmitting copies of contracts, &c. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Contracts Post Office Department -- Other than Those for Transporting the Mails. Letter from the Postmaster General, Transmitting Copies of Contracts, &c. Washington: [publisher not identified], 1852.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Contracts Post Office Department -- Other than Those for Transporting the Mails. Letter from the Postmaster General, Transmitting Copies of Contracts, &c. [publisher not identified], 1852.