How The States Got Their Shapes: A Boom With a View. (2013). The History Channel website. Retrieved 8:27, May 25, 2013, from http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes.
How The States Got Their Shapes: A Boom With a View. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes [Accessed 25 May 2013].
“How The States Got Their Shapes: A Boom With a View.” 2013. The History Channel website. May 25 2013, 8:27 http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes.
“How The States Got Their Shapes: A Boom With a View,” The History Channel website, 2013, http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes [accessed May 25, 2013].
“How The States Got Their Shapes: A Boom With a View,” The History Channel website, http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes (accessed May 25, 2013).
How The States Got Their Shapes: A Boom With a View [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes.
How The States Got Their Shapes: A Boom With a View, http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes (last visited May 25, 2013).
How The States Got Their Shapes: A Boom With a View. The History Channel website. 2013. Available at: http://www.history.com/shows/how-the-states-got-their-shapes/videos/playlists/full-episodes. Accessed May 25, 2013.