About America The Story of Us. (2013). The History Channel website. Retrieved 10:08, June 19, 2013, from http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us.
About America The Story of Us. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us [Accessed 19 Jun 2013].
“About America The Story of Us.” 2013. The History Channel website. Jun 19 2013, 10:08 http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us.
“About America The Story of Us,” The History Channel website, 2013, http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us [accessed Jun 19, 2013].
“About America The Story of Us,” The History Channel website, http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us (accessed Jun 19, 2013).
About America The Story of Us [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us.
About America The Story of Us, http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us (last visited Jun 19, 2013).
About America The Story of Us. The History Channel website. 2013. Available at: http://www.history.com/shows/america-the-story-of-us/articles/about-america-the-story-of-us. Accessed Jun 19, 2013.