The frigate USS ALYWIN (FF-1081), left, the tank landing ship USS BARNSTABLE COUNTY (LST-1197), center, and the guided missile destroyer USS DAHLGREN (DDG-43) lie tied up alongside one another during Unitas XXXII, a combined exercise involving the naval forces of the United States and nine South American nations

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The frigate USS ALYWIN (FF-1081), left, the tank landing ship USS BARNSTABLE COUNTY (LST-1197), center, and the guided missile destroyer USS DAHLGREN (DDG-43) lie tied up alongside one another during Unitas XXXII, a combined exercise involving the naval forces of the United States and nine South American nations. 1991-08-05. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6478951. (Accessed September 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1991-08-05) The frigate USS ALYWIN (FF-1081), left, the tank landing ship USS BARNSTABLE COUNTY (LST-1197), center, and the guided missile destroyer USS DAHLGREN (DDG-43) lie tied up alongside one another during Unitas XXXII, a combined exercise involving the naval forces of the United States and nine South American nations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6478951
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/6478951>.
Note: These citations are programmatically generated and may be incomplete.