A 505 foot by 255 foot American Flag was flown from the downstream face of the dam. The flag weighed 3,000 pounds and was hoisted by three separate cables located at the top of the dam. The flying of the flag was part of a ceremony in which the 1996 Summer Olympic torch, on its way to Atlanta, Georgia, was carried across Hoover Dam

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. A 505 foot by 255 foot American Flag was flown from the downstream face of the dam. The flag weighed 3,000 pounds and was hoisted by three separate cables located at the top of the dam. The flying of the flag was part of a ceremony in which the 1996 Summer Olympic torch, on its way to Atlanta, Georgia, was carried across Hoover Dam. 1996-05-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6492473. (Accessed October 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1996-05-01) A 505 foot by 255 foot American Flag was flown from the downstream face of the dam. The flag weighed 3,000 pounds and was hoisted by three separate cables located at the top of the dam. The flying of the flag was part of a ceremony in which the 1996 Summer Olympic torch, on its way to Atlanta, Georgia, was carried across Hoover Dam. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6492473
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/6492473>.
Note: These citations are programmatically generated and may be incomplete.