United States. National Archives and Records Service. Office of Educational Programs. (1978). The written word endures: Milestone documents of American history. Office of Educational Programs, National Archives and Records Service, General Services Administration.
Chicago Style (17th ed.) CitationUnited States. National Archives and Records Service. Office of Educational Programs. The Written Word Endures: Milestone Documents of American History. Washington: Office of Educational Programs, National Archives and Records Service, General Services Administration, 1978.
MLA (9th ed.) CitationUnited States. National Archives and Records Service. Office of Educational Programs. The Written Word Endures: Milestone Documents of American History. Office of Educational Programs, National Archives and Records Service, General Services Administration, 1978.