British troops moving heavy gun toward the front lines. Pilkem, Belgium. 9-13-1917

Chicago citation style
War Department. 1789-9/18/1947. British troops moving heavy gun toward the front lines. Pilkem, Belgium. 9-13-1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16579648. (Accessed July 15, 2018.)
APA citation style
War Department. 1789-9/18/1947, British troops moving heavy gun toward the front lines. Pilkem, Belgium. 9-13-1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16579648
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/16579648>.
Note: These citations are programmatically generated and may be incomplete.