Policeman on horseback with dog along Washington Street

Chicago citation style
Policeman on horseback with dog along Washington Street. undated. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5425kh58s. (Accessed June 21, 2018.)
APA citation style
(undated) Policeman on horseback with dog along Washington Street. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5425kh58s
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/5425kh58s>.
Note: These citations are programmatically generated and may be incomplete.