Western front. Men with breast plates on observation post in an advanced position. April 2, 1918

Chicago citation style
War Department. 1789-9/18/1947. Western front. Men with breast plates on observation post in an advanced position. April 2, 1918. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17391514. (Accessed June 21, 2018.)
APA citation style
War Department. 1789-9/18/1947, Western front. Men with breast plates on observation post in an advanced position. April 2, 1918. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17391514
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17391514>.
Note: These citations are programmatically generated and may be incomplete.