President and Mrs. Ronald Reagan prepare to depart the flight line aboard Marine One, a VH-3D Sea King helicopter from Marine Helicopter Squadron 1. They are leaving the base after participating in a ceremony honoring former TWA hostages upon their return to the U.S. The 39 U.S. citizens had been held captive for 16 days in Beirut, Lebanon, by Shiite Moslem terrorists

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. President and Mrs. Ronald Reagan prepare to depart the flight line aboard Marine One, a VH-3D Sea King helicopter from Marine Helicopter Squadron 1. They are leaving the base after participating in a ceremony honoring former TWA hostages upon their return to the U.S. The 39 U.S. citizens had been held captive for 16 days in Beirut, Lebanon, by Shiite Moslem terrorists. 1985-07-02. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6400369. (Accessed October 16, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1985-07-02) President and Mrs. Ronald Reagan prepare to depart the flight line aboard Marine One, a VH-3D Sea King helicopter from Marine Helicopter Squadron 1. They are leaving the base after participating in a ceremony honoring former TWA hostages upon their return to the U.S. The 39 U.S. citizens had been held captive for 16 days in Beirut, Lebanon, by Shiite Moslem terrorists. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6400369
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/6400369>.
Note: These citations are programmatically generated and may be incomplete.