Red Cross ambulance drivers and doctors

Chicago citation style
Unknown. Red Cross ambulance drivers and doctors. 1940-08-29. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13014. (Accessed December 13, 2018.)
APA citation style
Unknown, (1940-08-29) Red Cross ambulance drivers and doctors. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13014
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/13014>.
Note: These citations are programmatically generated and may be incomplete.