Thomas Jefferson. (2013). The History Channel website. Retrieved 9:29, May 22, 2013, from http://www.history.com/topics/thomas-jefferson.
Thomas Jefferson. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/thomas-jefferson [Accessed 22 May 2013].
“Thomas Jefferson.” 2013. The History Channel website. May 22 2013, 9:29 http://www.history.com/topics/thomas-jefferson.
“Thomas Jefferson,” The History Channel website, 2013, http://www.history.com/topics/thomas-jefferson [accessed May 22, 2013].
“Thomas Jefferson,” The History Channel website, http://www.history.com/topics/thomas-jefferson (accessed May 22, 2013).
Thomas Jefferson [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/topics/thomas-jefferson.
Thomas Jefferson, http://www.history.com/topics/thomas-jefferson (last visited May 22, 2013).
Thomas Jefferson. The History Channel website. 2013. Available at: http://www.history.com/topics/thomas-jefferson. Accessed May 22, 2013.