Library of Congress Experience. (2013). The History Channel website. Retrieved 2:24, May 24, 2013, from http://www.history.com/topics/library-of-congress.
Library of Congress Experience. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/library-of-congress [Accessed 24 May 2013].
“Library of Congress Experience.” 2013. The History Channel website. May 24 2013, 2:24 http://www.history.com/topics/library-of-congress.
“Library of Congress Experience,” The History Channel website, 2013, http://www.history.com/topics/library-of-congress [accessed May 24, 2013].
“Library of Congress Experience,” The History Channel website, http://www.history.com/topics/library-of-congress (accessed May 24, 2013).
Library of Congress Experience [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/topics/library-of-congress.
Library of Congress Experience, http://www.history.com/topics/library-of-congress (last visited May 24, 2013).
Library of Congress Experience. The History Channel website. 2013. Available at: http://www.history.com/topics/library-of-congress. Accessed May 24, 2013.