Walter Gay at work

Chicago citation style
Walter Gay at work. ca. 1890. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_3833&repo=DPLA. (Accessed December 10, 2018.)
APA citation style
(ca. 1890) Walter Gay at work. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_3833&repo=DPLA
MLA citation style
Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3AAAADCD_item_3833&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.