Water flowing over a dam

Chicago citation style
Water flowing over a dam. 1860-2011. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/rb68xn496. (Accessed July 17, 2018.)
APA citation style
(1860-2011) Water flowing over a dam. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/rb68xn496
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/rb68xn496>.
Note: These citations are programmatically generated and may be incomplete.