Camouflage - Smoke Screens - Congressman see Trench Warfare Exhibit, Wash., D.C. Smoke screen, such as is used by the American Forces to cover the movement of troops. The material burns for several minutes

Chicago citation style
War Department. 1789-9/18/1947. Camouflage - Smoke Screens - Congressman see Trench Warfare Exhibit, Wash., D.C. Smoke screen, such as is used by the American Forces to cover the movement of troops. The material burns for several minutes. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809094. (Accessed September 19, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Camouflage - Smoke Screens - Congressman see Trench Warfare Exhibit, Wash., D.C. Smoke screen, such as is used by the American Forces to cover the movement of troops. The material burns for several minutes. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809094
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20809094>.
Note: These citations are programmatically generated and may be incomplete.