Cities of the Underworld: Dracula's Underground. (2013). The History Channel website. Retrieved 4:24, May 25, 2013, from http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
Cities of the Underworld: Dracula's Underground. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [Accessed 25 May 2013].
“Cities of the Underworld: Dracula's Underground.” 2013. The History Channel website. May 25 2013, 4:24 http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
“Cities of the Underworld: Dracula's Underground,” The History Channel website, 2013, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [accessed May 25, 2013].
“Cities of the Underworld: Dracula's Underground,” The History Channel website, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (accessed May 25, 2013).
Cities of the Underworld: Dracula's Underground [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
Cities of the Underworld: Dracula's Underground, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (last visited May 25, 2013).
Cities of the Underworld: Dracula's Underground. The History Channel website. 2013. Available at: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives. Accessed May 25, 2013.