Ceremonies - Liberations - Naturalization Ceremonies - Naturalization of aliens in United States Army. Photo shows Belgians taking citizenship oath

Chicago citation style
War Department. 1789-9/18/1947. Ceremonies - Liberations - Naturalization Ceremonies - Naturalization of aliens in United States Army. Photo shows Belgians taking citizenship oath. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809936. (Accessed July 21, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Ceremonies - Liberations - Naturalization Ceremonies - Naturalization of aliens in United States Army. Photo shows Belgians taking citizenship oath. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809936
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20809936>.
Note: These citations are programmatically generated and may be incomplete.