Old Main

Chicago citation style
Unknown. Old Main. circa 1890. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2748. (Accessed December 17, 2018.)
APA citation style
Unknown, (circa 1890) Old Main. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2748
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2748>.
Note: These citations are programmatically generated and may be incomplete.