Parmly Billings Library addition under construction

Chicago citation style
Unknown. Parmly Billings Library addition under construction. 1923-09. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll53/id/288. (Accessed July 9, 2020.)
APA citation style
Unknown, (1923-09) Parmly Billings Library addition under construction. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll53/id/288
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll53/id/288>.
Note: These citations are programmatically generated and may be incomplete.