An M-2 .50-cal. machine gun on display at the air show for Officer Candidate School cadets

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. An M-2 .50-cal. machine gun on display at the air show for Officer Candidate School cadets. 1989-07-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6439046. (Accessed October 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1989-07-01) An M-2 .50-cal. machine gun on display at the air show for Officer Candidate School cadets. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6439046
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/6439046>.
Note: These citations are programmatically generated and may be incomplete.