Marines are instructed on the maintenance of the M60 machine gun

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. Marines are instructed on the maintenance of the M60 machine gun. 1986-01-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6416050. (Accessed July 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1986-01-01) Marines are instructed on the maintenance of the M60 machine gun. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6416050
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/6416050>.
Note: These citations are programmatically generated and may be incomplete.