Photograph of the Reference Room of the National Archives Division of Maps and Charts

Chicago citation style
General Services Administration. National Archives and Records Service. Office of Educational Programs. Education Division. ?-4/1/1985. Photograph of the Reference Room of the National Archives Division of Maps and Charts. 1939-01-20. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/12168668. (Accessed July 18, 2018.)
APA citation style
General Services Administration. National Archives and Records Service. Office of Educational Programs. Education Division. ?-4/1/1985, (1939-01-20) Photograph of the Reference Room of the National Archives Division of Maps and Charts. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/12168668
MLA citation style
General Services Administration. National Archives and Records Service. Office of Educational Programs. Education Division. ?-4/1/1985. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/12168668>.
Note: These citations are programmatically generated and may be incomplete.