The large harbor tug OTTUMWA (YTB 761) assists the nuclear-powered strategic missile submarine USS ALASKA (SSBN 732) away from Delta Pier

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. The large harbor tug OTTUMWA (YTB 761) assists the nuclear-powered strategic missile submarine USS ALASKA (SSBN 732) away from Delta Pier. 1987-06-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6433526. (Accessed June 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1987-06-01) The large harbor tug OTTUMWA (YTB 761) assists the nuclear-powered strategic missile submarine USS ALASKA (SSBN 732) away from Delta Pier. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6433526
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/6433526>.
Note: These citations are programmatically generated and may be incomplete.