"Arnold Genthe on his famous horse - Ocean Beach, San Francisco. Old Cliff House in distance."

Chicago citation style
"Arnold Genthe on his famous horse - Ocean Beach, San Francisco. Old Cliff House in distance.". Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf800009b1. (Accessed December 18, 2018.)
APA citation style
"Arnold Genthe on his famous horse - Ocean Beach, San Francisco. Old Cliff House in distance.". Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf800009b1
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/tf800009b1>.
Note: These citations are programmatically generated and may be incomplete.