Submarine gun mounted on rocking platform. Zeebrugge Mole

Chicago citation style
War Department. 1789-9/18/1947. Submarine gun mounted on rocking platform. Zeebrugge Mole. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16581194. (Accessed June 23, 2018.)
APA citation style
War Department. 1789-9/18/1947, Submarine gun mounted on rocking platform. Zeebrugge Mole. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/16581194
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/16581194>.
Note: These citations are programmatically generated and may be incomplete.