How the States Got Their Shapes. (2013). The History Channel website. Retrieved 1:24, June 18, 2013, from http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1.
How the States Got Their Shapes. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1 [Accessed 18 Jun 2013].
“How the States Got Their Shapes.” 2013. The History Channel website. Jun 18 2013, 1:24 http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1.
“How the States Got Their Shapes,” The History Channel website, 2013, http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1 [accessed Jun 18, 2013].
“How the States Got Their Shapes,” The History Channel website, http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1 (accessed Jun 18, 2013).
How the States Got Their Shapes [Internet]. The History Channel website; 2013 [cited 2013 Jun 18] Available from: http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1.
How the States Got Their Shapes, http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1 (last visited Jun 18, 2013).
How the States Got Their Shapes. The History Channel website. 2013. Available at: http://www.history.com/shows/how-the-states-got-their-shapes/episodes/season-1. Accessed Jun 18, 2013.