The funeral procession for the Unknown Serviceman of the Vietnam Era passes through a Marine Corps honor cordon lining Henry Bacon Drive. The procession is en route to Arlington National Cemetery, where the Unknown will be interred at the Tomb of the Unknowns after a state funeral service

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The funeral procession for the Unknown Serviceman of the Vietnam Era passes through a Marine Corps honor cordon lining Henry Bacon Drive. The procession is en route to Arlington National Cemetery, where the Unknown will be interred at the Tomb of the Unknowns after a state funeral service. 1984-05-28. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6385073. (Accessed October 23, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1984-05-28) The funeral procession for the Unknown Serviceman of the Vietnam Era passes through a Marine Corps honor cordon lining Henry Bacon Drive. The procession is en route to Arlington National Cemetery, where the Unknown will be interred at the Tomb of the Unknowns after a state funeral service. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6385073
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/6385073>.
Note: These citations are programmatically generated and may be incomplete.