A 50-gun Independence Day salute to the nation is fired from M-102 105mm howitzers at the U.S. Military Academy

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. A 50-gun Independence Day salute to the nation is fired from M-102 105mm howitzers at the U.S. Military Academy. 1985-07-04. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6385536. (Accessed June 23, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1985-07-04) A 50-gun Independence Day salute to the nation is fired from M-102 105mm howitzers at the U.S. Military Academy. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6385536
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/6385536>.
Note: These citations are programmatically generated and may be incomplete.