The starboard mount No. 51 Mark 28 5-inch/38-caliber gun and the mount No. 21 Mark 16 20mm/76-caliber Phalanx close in weapons system on the battleship USS IOWA (BB-61)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. The starboard mount No. 51 Mark 28 5-inch/38-caliber gun and the mount No. 21 Mark 16 20mm/76-caliber Phalanx close in weapons system on the battleship USS IOWA (BB-61). 1986-06-07. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6405409. (Accessed July 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1986-06-07) The starboard mount No. 51 Mark 28 5-inch/38-caliber gun and the mount No. 21 Mark 16 20mm/76-caliber Phalanx close in weapons system on the battleship USS IOWA (BB-61). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6405409
MLA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6405409>.
Note: These citations are programmatically generated and may be incomplete.