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 June 21, 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.