Census data 1980-1990

Chicago citation style
Census data 1980-1990. 1980/1990. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll69/id/16470. (Accessed November 20, 2018.)
APA citation style
(1980/1990) Census data 1980-1990. Retrieved from the Digital Public Library of America, http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll69/id/16470
MLA citation style
Retrieved from the Digital Public Library of America <http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll69/id/16470>.
Note: These citations are programmatically generated and may be incomplete.