APA引文

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, and 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.

MLA引文

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