The submarine tender USS DIXON (AS-37) departs San Diego with the nuclear-powered attack submarines USS GUITARRO (SSN-665), left, and USS GURNARD (SSN-662). The ships will be taking part in Exercise FallEx '90

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The submarine tender USS DIXON (AS-37) departs San Diego with the nuclear-powered attack submarines USS GUITARRO (SSN-665), left, and USS GURNARD (SSN-662). The ships will be taking part in Exercise FallEx '90. 1990-09-17. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6464591. (Accessed October 16, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1990-09-17) The submarine tender USS DIXON (AS-37) departs San Diego with the nuclear-powered attack submarines USS GUITARRO (SSN-665), left, and USS GURNARD (SSN-662). The ships will be taking part in Exercise FallEx '90. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6464591
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/6464591>.
Note: These citations are programmatically generated and may be incomplete.