Cities of the Underworld 3: A-Bomb: G Cans. (2013). The History Channel website. Retrieved 7:09, May 24, 2013, from http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
Cities of the Underworld 3: A-Bomb: G Cans. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [Accessed 24 May 2013].
“Cities of the Underworld 3: A-Bomb: G Cans.” 2013. The History Channel website. May 24 2013, 7:09 http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
“Cities of the Underworld 3: A-Bomb: G Cans,” The History Channel website, 2013, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [accessed May 24, 2013].
“Cities of the Underworld 3: A-Bomb: G Cans,” The History Channel website, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (accessed May 24, 2013).
Cities of the Underworld 3: A-Bomb: G Cans [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
Cities of the Underworld 3: A-Bomb: G Cans, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (last visited May 24, 2013).
Cities of the Underworld 3: A-Bomb: G Cans. The History Channel website. 2013. Available at: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives. Accessed May 24, 2013.