Crewmen stand in formation aboard the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) as it is towed under a bridge en route to Naval Submarine Base New London. The large harbor tug NEGWAGON (YTB 834) assists at the submarine's port bow

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Crewmen stand in formation aboard the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) as it is towed under a bridge en route to Naval Submarine Base New London. The large harbor tug NEGWAGON (YTB 834) assists at the submarine's port bow. 1985-07-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6397632. (Accessed October 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1985-07-06) Crewmen stand in formation aboard the nuclear-powered attack submarine ex-USS NAUTILUS (SSN 571) as it is towed under a bridge en route to Naval Submarine Base New London. The large harbor tug NEGWAGON (YTB 834) assists at the submarine's port bow. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6397632
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/6397632>.
Note: These citations are programmatically generated and may be incomplete.