APA (7th ed.) Citation

Chicago. Dept. of Subways and Superhighways. (1940). Chicago's first subway system: Development and progress ... Committee on Local Transportation ... Department of Subways and Superhighways.

Chicago Style (17th ed.) Citation

Chicago. Dept. of Subways and Superhighways. Chicago's First Subway System: Development and Progress ... Committee on Local Transportation ... Department of Subways and Superhighways. [Chicago], 1940.

MLA (8th ed.) Citation

Chicago. Dept. of Subways and Superhighways. Chicago's First Subway System: Development and Progress ... Committee on Local Transportation ... Department of Subways and Superhighways. 1940.