The two obelisks in the Hippodrome, Constantinople

Chicago citation style
Not Known. The two obelisks in the Hippodrome, Constantinople. [Date not indicated]. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r014. (Accessed December 12, 2018.)
APA citation style
Not Known, ([Date not indicated]) The two obelisks in the Hippodrome, Constantinople. Retrieved from the Digital Public Library of America, http://ark.cdlib.org/ark:/13030/kt2j49r014
MLA citation style
Not Known. Retrieved from the Digital Public Library of America <http://ark.cdlib.org/ark:/13030/kt2j49r014>.
Note: These citations are programmatically generated and may be incomplete.