The Nos. 1 and 2 Mark 7 16-inch/50-caliber guns turrets are fired to starboard during a main battery firing exercise aboard the battleship USS IOWA (BB-61). (Third view in a series of four)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The Nos. 1 and 2 Mark 7 16-inch/50-caliber guns turrets are fired to starboard during a main battery firing exercise aboard the battleship USS IOWA (BB-61). (Third view in a series of four). 1987-09-30. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6431675. (Accessed October 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1987-09-30) The Nos. 1 and 2 Mark 7 16-inch/50-caliber guns turrets are fired to starboard during a main battery firing exercise aboard the battleship USS IOWA (BB-61). (Third view in a series of four). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6431675
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/6431675>.
Note: These citations are programmatically generated and may be incomplete.