Harper Memorial Library, University of Chicago

Chicago citation style
Post Cards Chicago, C.R. Childs. Harper Memorial Library, University of Chicago. ca. 1910. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/667eada0-9975-0134-2096-0050569601ca-c. (Accessed January 23, 2021.)
APA citation style
Post Cards Chicago, C.R. Childs, (ca. 1910) Harper Memorial Library, University of Chicago. Retrieved from the Digital Public Library of America, https://digital.library.illinois.edu/items/667eada0-9975-0134-2096-0050569601ca-c
MLA citation style
Post Cards Chicago, C.R. Childs. Retrieved from the Digital Public Library of America <https://digital.library.illinois.edu/items/667eada0-9975-0134-2096-0050569601ca-c>.
Note: These citations are programmatically generated and may be incomplete.