Camouflage - Smoke Screens - Smoke screens on battlefield. The smoke screen is used to veil operations and attacks. The Infantry often advances behind a smoke screen which entirely obscure them

Chicago citation style
War Department. 1789-9/18/1947. Camouflage - Smoke Screens - Smoke screens on battlefield. The smoke screen is used to veil operations and attacks. The Infantry often advances behind a smoke screen which entirely obscure them. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809086. (Accessed September 25, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Camouflage - Smoke Screens - Smoke screens on battlefield. The smoke screen is used to veil operations and attacks. The Infantry often advances behind a smoke screen which entirely obscure them. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20809086
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20809086>.
Note: These citations are programmatically generated and may be incomplete.