Official Portrait of US Marine Corps (USMC) First Lieutenant (1LT) Robert F. Stout, taken at San Diego, California (CA), October 24, 1941. 1LT Stout is an ace pilot and is credited with 6 kills

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. Official Portrait of US Marine Corps (USMC) First Lieutenant (1LT) Robert F. Stout, taken at San Diego, California (CA), October 24, 1941. 1LT Stout is an ace pilot and is credited with 6 kills. 2002-12-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6608416. (Accessed May 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2002-12-06) Official Portrait of US Marine Corps (USMC) First Lieutenant (1LT) Robert F. Stout, taken at San Diego, California (CA), October 24, 1941. 1LT Stout is an ace pilot and is credited with 6 kills. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6608416
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/6608416>.
Note: These citations are programmatically generated and may be incomplete.