The large harbor tugs PONTIAC (YTB 756), inboard, and DEKANAWIDA (YTB 831) tied up at a pier

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. The large harbor tugs PONTIAC (YTB 756), inboard, and DEKANAWIDA (YTB 831) tied up at a pier. 1987-03-10. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6430118. (Accessed June 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1987-03-10) The large harbor tugs PONTIAC (YTB 756), inboard, and DEKANAWIDA (YTB 831) tied up at a pier. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6430118
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/6430118>.
Note: These citations are programmatically generated and may be incomplete.