Major General John L. Ballantyne, CG, US Army Military District of Washington, presents the flag from the casket of the Unknown Serviceman of the Vietnam Era to President Ronald Reagan. The presentation is taking place at the conclusion of the internment ceremony at the Tomb of the Unknowns, Arlington National Cemetery. Looking on is Raymond J. Costanzo, far left, superintendent, Arlington National Cemetery

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Major General John L. Ballantyne, CG, US Army Military District of Washington, presents the flag from the casket of the Unknown Serviceman of the Vietnam Era to President Ronald Reagan. The presentation is taking place at the conclusion of the internment ceremony at the Tomb of the Unknowns, Arlington National Cemetery. Looking on is Raymond J. Costanzo, far left, superintendent, Arlington National Cemetery. 1984-05-28. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6384844. (Accessed September 26, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1984-05-28) Major General John L. Ballantyne, CG, US Army Military District of Washington, presents the flag from the casket of the Unknown Serviceman of the Vietnam Era to President Ronald Reagan. The presentation is taking place at the conclusion of the internment ceremony at the Tomb of the Unknowns, Arlington National Cemetery. Looking on is Raymond J. Costanzo, far left, superintendent, Arlington National Cemetery. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6384844
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/6384844>.
Note: These citations are programmatically generated and may be incomplete.