Citazione APA

Illinois State Archives & United States. Census Office. 7th census, 1850. (1850). [Seventh census of the United States, 1850.

Stile di citazione Chicago

Illinois State Archives e 1850 United States. Census Office. 7th census. [Seventh Census of the United States, 1850. 1850.

Citazione MLA

Illinois State Archives e 1850 United States. Census Office. 7th census. [Seventh Census of the United States, 1850. 1850.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.