APA (7th ed.) Citation

University of Chicago. Social Science Research Committee, Social scientists Map Chicago, University of Chicago Digital Preservation Collection, & Social Science Research Committee Maps of Chicago. (1932). Map of Chicago, showing land values, 1928: Average values for 960 acre tracts in dollars per acre. Social Science Research Committee.

Chicago Style (17th ed.) Citation

University of Chicago. Social Science Research Committee, Social scientists Map Chicago, University of Chicago Digital Preservation Collection, and Social Science Research Committee Maps of Chicago. Map of Chicago, Showing Land Values, 1928: Average Values for 960 Acre Tracts in Dollars Per Acre. Chicago: Social Science Research Committee, 1932.

MLA (8th ed.) Citation

University of Chicago. Social Science Research Committee, et al. Map of Chicago, Showing Land Values, 1928: Average Values for 960 Acre Tracts in Dollars Per Acre. Social Science Research Committee, 1932.