Students of the infantry officer course wear protective masks as part of field training at the Basic School, Marine Corps Development and Education Command. The men are also armed with M-16A1 rifles

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Students of the infantry officer course wear protective masks as part of field training at the Basic School, Marine Corps Development and Education Command. The men are also armed with M-16A1 rifles. 1980-06-12. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6348900. (Accessed September 25, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1980-06-12) Students of the infantry officer course wear protective masks as part of field training at the Basic School, Marine Corps Development and Education Command. The men are also armed with M-16A1 rifles. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6348900
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/6348900>.
Note: These citations are programmatically generated and may be incomplete.