Soldiers of the 24th Infantry Division (Mechanized) wearing biological-chemical protective gear stand near the open rear hatch of an M163 Vulcan self-propelled anti-aircraft gun during an exercise at the National Training Center. The M163 consists of an M168 Vulcan 20 mm cannon with radar fire control mounted on a modified M113 armored personnel carrier. (SUBSTANDARD)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Soldiers of the 24th Infantry Division (Mechanized) wearing biological-chemical protective gear stand near the open rear hatch of an M163 Vulcan self-propelled anti-aircraft gun during an exercise at the National Training Center. The M163 consists of an M168 Vulcan 20 mm cannon with radar fire control mounted on a modified M113 armored personnel carrier. (SUBSTANDARD). 1988-11-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6446217. (Accessed September 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1988-11-01) Soldiers of the 24th Infantry Division (Mechanized) wearing biological-chemical protective gear stand near the open rear hatch of an M163 Vulcan self-propelled anti-aircraft gun during an exercise at the National Training Center. The M163 consists of an M168 Vulcan 20 mm cannon with radar fire control mounted on a modified M113 armored personnel carrier. (SUBSTANDARD). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6446217
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/6446217>.
Note: These citations are programmatically generated and may be incomplete.