APA (7th ed.) Citation

(1991). 1990 census of population and housing, Public law 94-171. Illinois State Library.

Chicago Style (17th ed.) Citation

1990 Census of Population and Housing, Public Law 94-171. Springfield, Ill.: Illinois State Library, 1991.

MLA (8th ed.) Citation

1990 Census of Population and Housing, Public Law 94-171. Illinois State Library, 1991.

Warning: These citations may not always be 100% accurate.