Isabel and Helen Stevens (twins) with rocking horse

Chicago citation style
Notman, James, 1849-1932. Isabel and Helen Stevens (twins) with rocking horse. 1880. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cf95jg529. (Accessed July 22, 2018.)
APA citation style
Notman, James, 1849-1932, (1880) Isabel and Helen Stevens (twins) with rocking horse. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cf95jg529
MLA citation style
Notman, James, 1849-1932. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cf95jg529>.
Note: These citations are programmatically generated and may be incomplete.