A Soviet 7.62 mm PK general purpose machine gun

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. A Soviet 7.62 mm PK general purpose machine gun. 1984-11-14. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6386622. (Accessed October 16, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1984-11-14) A Soviet 7.62 mm PK general purpose machine gun. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6386622
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/6386622>.
Note: These citations are programmatically generated and may be incomplete.