توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

United States. Postmaster General, United States. National Archives and Records Service, و 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.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

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