No caption: San Francisco and San Francisco Bay

Chicago citation style
No caption: San Francisco and San Francisco Bay. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf7z09p4gq. (Accessed December 15, 2018.)
APA citation style
No caption: San Francisco and San Francisco Bay. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/tf7z09p4gq
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/tf7z09p4gq>.
Note: These citations are programmatically generated and may be incomplete.