Normal Science Class, 2nd Grade

Chicago citation style
Unknown. Normal Science Class, 2nd Grade. undated. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2815. (Accessed December 14, 2018.)
APA citation style
Unknown, (undated) Normal Science Class, 2nd Grade. Retrieved from the Digital Public Library of America, http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2815
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://collections.carli.illinois.edu/cdm/ref/collection/sic_photos/id/2815>.
Note: These citations are programmatically generated and may be incomplete.