National Historic Landmarks
MLA
Barnes, Mark R.. "National Historic Landmarks." New Georgia Encyclopedia (Project). 2004-10-27, https://www.georgiaencyclopedia.org/articles/arts-culture/national-historic-landmarks/.
APA
Barnes, Mark R. (2004-10-27). National Historic Landmarks. Retrieved from https://www.georgiaencyclopedia.org/articles/arts-culture/national-historic-landmarks/
Chicago
Barnes, Mark R.. "National Historic Landmarks." 2004-10-27. September 29, 2026. https://www.georgiaencyclopedia.org/articles/arts-culture/national-historic-landmarks/.
