APA (7th ed.) Citation

Chicago Association of Commerce and Industry & Pyle, G. F. (1971). Chicago-Northwestern Indiana standard consolidated area: 1970 census tracts. Chicago Association of Commerce and Industry.

Chicago Style (17th ed.) Citation

Chicago Association of Commerce and Industry and Gerald F. Pyle. Chicago-Northwestern Indiana Standard Consolidated Area: 1970 Census Tracts. [Chicago]: Chicago Association of Commerce and Industry, 1971.

MLA (8th ed.) Citation

Chicago Association of Commerce and Industry and Gerald F. Pyle. Chicago-Northwestern Indiana Standard Consolidated Area: 1970 Census Tracts. Chicago Association of Commerce and Industry, 1971.