Portrait of an unidentified woman

Chicago citation style
Portrait of an unidentified woman. undated. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll8/id/850. (Accessed December 15, 2018.)
APA citation style
(undated) Portrait of an unidentified woman. Retrieved from the Digital Public Library of America, http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll8/id/850
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15730.contentdm.oclc.org/cdm/ref/collection/p15730coll8/id/850>.
Note: These citations are programmatically generated and may be incomplete.