Portrait: US Marine Corps (USMC) Brigadier General (BGEN) Robert B. Johnston (uncovered)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Portrait: US Marine Corps (USMC) Brigadier General (BGEN) Robert B. Johnston (uncovered). 1988-01-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6428376. (Accessed October 17, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1988-01-01) Portrait: US Marine Corps (USMC) Brigadier General (BGEN) Robert B. Johnston (uncovered). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6428376
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/6428376>.
Note: These citations are programmatically generated and may be incomplete.