Six members of Co. C, 1ST Bn., 6th Marines, are dressed for cold weather combat training. One member is pulling a sled loaded with equipment as the Marines climb a hill. Their weapons are M-16A1 rifles and an M-60A1 machine gun

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Six members of Co. C, 1ST Bn., 6th Marines, are dressed for cold weather combat training. One member is pulling a sled loaded with equipment as the Marines climb a hill. Their weapons are M-16A1 rifles and an M-60A1 machine gun. 1981-02-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6348543. (Accessed October 15, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1981-02-01) Six members of Co. C, 1ST Bn., 6th Marines, are dressed for cold weather combat training. One member is pulling a sled loaded with equipment as the Marines climb a hill. Their weapons are M-16A1 rifles and an M-60A1 machine gun. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6348543
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/6348543>.
Note: These citations are programmatically generated and may be incomplete.