United States. Census Office. 1st census, 1790, & United States. National Archives and Records Service. (1965). Population schedules of the first census of the United States, 1790. National Archives and Records Service, General Services Administration.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Census Office. 1st census, 1790, và United States. National Archives and Records Service. Population Schedules of the First Census of the United States, 1790. Washington: National Archives and Records Service, General Services Administration, 1965.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Census Office. 1st census, 1790, và United States. National Archives and Records Service. Population Schedules of the First Census of the United States, 1790. National Archives and Records Service, General Services Administration, 1965.