Paper flags representing six participating nations are attached to the last pallet of supplies as part of the Sarajevo Air Bridge Humanitarian Aid termination ceremony. The longest humanitarian airlift in history is ending. During the past three and one half years the operation has provided 160,000 metric tons of supplies in 12,900 sorties involving 21 nations

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Paper flags representing six participating nations are attached to the last pallet of supplies as part of the Sarajevo Air Bridge Humanitarian Aid termination ceremony. The longest humanitarian airlift in history is ending. During the past three and one half years the operation has provided 160,000 metric tons of supplies in 12,900 sorties involving 21 nations. 1996-01-09. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6499855. (Accessed October 15, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1996-01-09) Paper flags representing six participating nations are attached to the last pallet of supplies as part of the Sarajevo Air Bridge Humanitarian Aid termination ceremony. The longest humanitarian airlift in history is ending. During the past three and one half years the operation has provided 160,000 metric tons of supplies in 12,900 sorties involving 21 nations. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6499855
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/6499855>.
Note: These citations are programmatically generated and may be incomplete.