Castor and Pollux Fountain with obelisk

Chicago citation style
Eugene Webb. Castor and Pollux Fountain with obelisk. c. 1786. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/buildings/id/9441. (Accessed July 22, 2018.)
APA citation style
Eugene Webb, (c. 1786) Castor and Pollux Fountain with obelisk. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/buildings/id/9441
MLA citation style
Eugene Webb. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/buildings/id/9441>.
Note: These citations are programmatically generated and may be incomplete.