Ceremonies - Independence Day, 1918 - Independence Day Parade, N.Y. City. In foreground, British float; marching behind is a group of British Marines

Chicago citation style
War Department. 1789-9/18/1947. Ceremonies - Independence Day, 1918 - Independence Day Parade, N.Y. City. In foreground, British float; marching behind is a group of British Marines. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809454. (Accessed November 16, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Ceremonies - Independence Day, 1918 - Independence Day Parade, N.Y. City. In foreground, British float; marching behind is a group of British Marines. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809454
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20809454>.
Note: These citations are programmatically generated and may be incomplete.