APA (7th ed.) Citation

Chicago Transit Authority. (2004). Downtown transit sightseeing guide: [Chicago, Ill.] (July 2004.). Chicago Transit Authority.

Chicago Style (17th ed.) Citation

Chicago Transit Authority. Downtown Transit Sightseeing Guide: [Chicago, Ill.]. July 2004. [Chicago, Ill.]: Chicago Transit Authority, 2004.

MLA (8th ed.) Citation

Chicago Transit Authority. Downtown Transit Sightseeing Guide: [Chicago, Ill.]. July 2004. Chicago Transit Authority, 2004.

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