The large harbor tugs PUSHMATAHA (YTB 830) and SKENANDOA (YTB 835) assist as the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) is prepared for towing by the fleet tug USS QUAPAW (ATF 110). The NAUTILUS is en route to Groton, Connecticut, where it will become a museum. A Coast Guard patrol boat is visible in the background

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The large harbor tugs PUSHMATAHA (YTB 830) and SKENANDOA (YTB 835) assist as the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) is prepared for towing by the fleet tug USS QUAPAW (ATF 110). The NAUTILUS is en route to Groton, Connecticut, where it will become a museum. A Coast Guard patrol boat is visible in the background. 1985-05-28. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6397126. (Accessed October 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1985-05-28) The large harbor tugs PUSHMATAHA (YTB 830) and SKENANDOA (YTB 835) assist as the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) is prepared for towing by the fleet tug USS QUAPAW (ATF 110). The NAUTILUS is en route to Groton, Connecticut, where it will become a museum. A Coast Guard patrol boat is visible in the background. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6397126
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/6397126>.
Note: These citations are programmatically generated and may be incomplete.