The Naked Underground: Underground Insects. (2013). The History Channel website. Retrieved 1:42, May 19, 2013, from http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
The Naked Underground: Underground Insects. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [Accessed 19 May 2013].
“The Naked Underground: Underground Insects.” 2013. The History Channel website. May 19 2013, 1:42 http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
“The Naked Underground: Underground Insects,” The History Channel website, 2013, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives [accessed May 19, 2013].
“The Naked Underground: Underground Insects,” The History Channel website, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (accessed May 19, 2013).
The Naked Underground: Underground Insects [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives.
The Naked Underground: Underground Insects, http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives (last visited May 19, 2013).
The Naked Underground: Underground Insects. The History Channel website. 2013. Available at: http://www.history.com/shows/cities-of-the-underworld/videos/playlists/exclusives. Accessed May 19, 2013.