APA (7th ed.) Citation

Chicago Office of Tourism. (1994). A guide to Chicago's Loop: Round about the Loop. Chicago Office of Tourism.

Chicago Style (17th ed.) Citation

Chicago Office of Tourism. A Guide to Chicago's Loop: Round About the Loop. Chicago: Chicago Office of Tourism, 1994.

MLA (8th ed.) Citation

Chicago Office of Tourism. A Guide to Chicago's Loop: Round About the Loop. Chicago Office of Tourism, 1994.