Illinois State Archives & United States. Census Office. 7th census, 1850. (1850). [Seventh census of the United States, 1850.
Cita Chicago Style (17a ed.)Illinois State Archives y 1850 United States. Census Office. 7th census. [Seventh Census of the United States, 1850. 1850.
Cita MLA (8a ed.)Illinois State Archives y 1850 United States. Census Office. 7th census. [Seventh Census of the United States, 1850. 1850.
Precaución: Estas citas no son 100% exactas.