Two Army soldiers lean against an M-114 155mm towed howitzer after field training, part of exercise Sentry Castle '81. The soldiers are assigned to the Army Air National Guard

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Two Army soldiers lean against an M-114 155mm towed howitzer after field training, part of exercise Sentry Castle '81. The soldiers are assigned to the Army Air National Guard. 1981-07-09. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6347120. (Accessed September 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1981-07-09) Two Army soldiers lean against an M-114 155mm towed howitzer after field training, part of exercise Sentry Castle '81. The soldiers are assigned to the Army Air National Guard. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6347120
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/6347120>.
Note: These citations are programmatically generated and may be incomplete.