APA (7th ed.) Citation

University of Chicago. (1934). Census tracts of Chicago grouped into 148 areas showing population density per sq. mile, 1920. University of Chicago.

Chicago Style (17th ed.) Citation

University of Chicago. Census Tracts of Chicago Grouped into 148 Areas Showing Population Density Per Sq. Mile, 1920. [Chicago]: University of Chicago, 1934.

MLA (8th ed.) Citation

University of Chicago. Census Tracts of Chicago Grouped into 148 Areas Showing Population Density Per Sq. Mile, 1920. University of Chicago, 1934.

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