Citace podle APA (7th ed.)

United States. Census Office. 6th census, 1840, United States. Census Office. 6th census, 1840, & United States. National Archives and Records Service. (1967). Population schedules of the sixth census of the United States, 1840. National Archives, National Archives and Records Service.

Citace podle Chicago (17th ed.)

United States. Census Office. 6th census, 1840, 1840 United States. Census Office. 6th census, a United States. National Archives and Records Service. Population Schedules of the Sixth Census of the United States, 1840. Washington: National Archives, National Archives and Records Service, 1967.

Citace podle MLA (8th ed.)

United States. Census Office. 6th census, 1840, et al. Population Schedules of the Sixth Census of the United States, 1840. National Archives, National Archives and Records Service, 1967.

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