Kelker, R. F., Jr. (1923). Report and recommendations on a physical plan for a unified transportation system for the city of Chicago, to the Committee on Local Transportation of the City Council of the city of Chicago. [James T. Igoe company, printers].
Chicago Style (17th ed.) CitationKelker, Rudolph Frederick, Jr. Report and Recommendations on a Physical Plan for a Unified Transportation System for the City of Chicago, to the Committee on Local Transportation of the City Council of the City of Chicago. [Chicago]: [James T. Igoe company, printers], 1923.
MLA (9th ed.) CitationKelker, Rudolph Frederick, Jr. Report and Recommendations on a Physical Plan for a Unified Transportation System for the City of Chicago, to the Committee on Local Transportation of the City Council of the City of Chicago. [James T. Igoe company, printers], 1923.