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 September 22, 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.