Unidentified school class

Chicago citation style
Unidentified school class. 1860-2011. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zg64tq334. (Accessed June 22, 2018.)
APA citation style
(1860-2011) Unidentified school class. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zg64tq334
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/zg64tq334>.
Note: These citations are programmatically generated and may be incomplete.