At the Doiran front. Bulgarian telephone station with trench periscope observing the enemy's position. March 1917

Chicago citation style
War Department. 1789-9/18/1947. At the Doiran front. Bulgarian telephone station with trench periscope observing the enemy's position. March 1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17390296. (Accessed June 25, 2018.)
APA citation style
War Department. 1789-9/18/1947, At the Doiran front. Bulgarian telephone station with trench periscope observing the enemy's position. March 1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17390296
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17390296>.
Note: These citations are programmatically generated and may be incomplete.