Destroyed tank group in the somme valley. April 1918

Chicago citation style
War Department. 1789-9/18/1947. Destroyed tank group in the somme valley. April 1918. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17391690. (Accessed October 18, 2018.)
APA citation style
War Department. 1789-9/18/1947, Destroyed tank group in the somme valley. April 1918. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17391690
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17391690>.
Note: These citations are programmatically generated and may be incomplete.