APA (7th ed.) Citation

United States. War Dept & United States. National Archives and Records Service. (1963). Letters received by the Secretary of War, irregular series, 1861-1866. National Archives and Records Service.

Chicago Style (17th ed.) Citation

United States. War Dept and United States. National Archives and Records Service. Letters Received by the Secretary of War, Irregular Series, 1861-1866. Washington: National Archives and Records Service, 1963.

MLA (8th ed.) Citation

United States. War Dept and United States. National Archives and Records Service. Letters Received by the Secretary of War, Irregular Series, 1861-1866. National Archives and Records Service, 1963.