Real photo postcard of Lt. Nathan S. Ring

Chicago citation style
Real photo postcard of Lt. Nathan S. Ring. approximately 1918. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/2402. (Accessed October 21, 2019.)
APA citation style
(approximately 1918) Real photo postcard of Lt. Nathan S. Ring. Retrieved from the Digital Public Library of America, http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/2402
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm15138.contentdm.oclc.org/cdm/ref/collection/p15138coll29/id/2402>.
Note: These citations are programmatically generated and may be incomplete.