Cita APA

United States. Postmaster General, United States. National Archives and Records Service, & United States. Post Office Dept. (1965). Letters sent by the Postmaster General, 1789-1836. National Archives and Records Service, General Services Administration.

Chicago Style (17th ed.) Citation

United States. Postmaster General, United States. National Archives and Records Service, i United States. Post Office Dept. Letters Sent by the Postmaster General, 1789-1836. Washington, D.C.: National Archives and Records Service, General Services Administration, 1965.

Cita MLA

United States. Postmaster General, et al. Letters Sent by the Postmaster General, 1789-1836. National Archives and Records Service, General Services Administration, 1965.