Bridges and viaducts: Madison St. Bridge; Michigan Ave. Bridge; Michigan Ave. Viaduct; Milwaukee Ave. Viaduct; Montrose Ave. Viaduct; Monroe Ave. Viaduct, Sheet 28, Image 30

Chicago citation style
Copelin Commercial Photographers. Bridges and viaducts: Madison St. Bridge; Michigan Ave. Bridge; Michigan Ave. Viaduct; Milwaukee Ave. Viaduct; Montrose Ave. Viaduct; Monroe Ave. Viaduct, Sheet 28, Image 30. 1973. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_pic/id/18644. (Accessed October 22, 2020.)
APA citation style
Copelin Commercial Photographers, (1973) Bridges and viaducts: Madison St. Bridge; Michigan Ave. Bridge; Michigan Ave. Viaduct; Milwaukee Ave. Viaduct; Montrose Ave. Viaduct; Monroe Ave. Viaduct, Sheet 28, Image 30. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/uic_pic/id/18644
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/18644>.
Note: These citations are programmatically generated and may be incomplete.