Bridges and viaducts: Balbo Ave. Viaduct; Lake Shore Dr. Viaduct; Loomis St. Bridge; Post Office Viaduct; Wabash Ave. Bridge; Washington Ave. Bridge; 18th St. Bridge; Aerial photos of bridges; Bridge clumps; Calumet River dredging ceremony; Operations Division tugboat, Sheet 13, Image 1

Chicago citation style
Copelin Commercial Photographers. Bridges and viaducts: Balbo Ave. Viaduct; Lake Shore Dr. Viaduct; Loomis St. Bridge; Post Office Viaduct; Wabash Ave. Bridge; Washington Ave. Bridge; 18th St. Bridge; Aerial photos of bridges; Bridge clumps; Calumet River dredging ceremony; Operations Division tugboat, Sheet 13, Image 1. 1964. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_pic/id/12315. (Accessed December 15, 2018.)
APA citation style
Copelin Commercial Photographers, (1964) Bridges and viaducts: Balbo Ave. Viaduct; Lake Shore Dr. Viaduct; Loomis St. Bridge; Post Office Viaduct; Wabash Ave. Bridge; Washington Ave. Bridge; 18th St. Bridge; Aerial photos of bridges; Bridge clumps; Calumet River dredging ceremony; Operations Division tugboat, Sheet 13, Image 1. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_pic/id/12315
MLA citation style
Copelin Commercial Photographers. Retrieved from the Digital Public Library of America <http://collections.carli.illinois.edu/cdm/ref/collection/uic_pic/id/12315>.
Note: These citations are programmatically generated and may be incomplete.