Balloons - Flights - Observation Balloon, from underneath

Chicago citation style
War Department. 1789-9/18/1947. Balloons - Flights - Observation Balloon, from underneath. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20807750. (Accessed May 27, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Balloons - Flights - Observation Balloon, from underneath. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/20807750
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/20807750>.
Note: These citations are programmatically generated and may be incomplete.