MLA Style
"Williamson County," Tennessee Encyclopedia of History and Culture, 2013, Tennessee Encyclopedia of History and Culture. 25 May 2013 <http://www.tennesseeencyclopedia.net/entry.php?rec=1516>
APA Style
"Williamson County." (2013) In Tennessee Encyclopedia of History and Culture, Retrieved May 25, 2013, from Tennessee Encyclopedia of History and Culture: http://www.tennesseeencyclopedia.net/entry.php?rec=1516