Submarine warfare. Firing a shot at an enemy steamer in order to stop it. April 1917

Chicago citation style
War Department. 1789-9/18/1947. Submarine warfare. Firing a shot at an enemy steamer in order to stop it. April 1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17390572. (Accessed April 26, 2018.)
APA citation style
War Department. 1789-9/18/1947, Submarine warfare. Firing a shot at an enemy steamer in order to stop it. April 1917. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17390572
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17390572>.
Note: These citations are programmatically generated and may be incomplete.