Weapons Rundown: Crossbow. (2013). The History Channel website. Retrieved 3:08, June 20, 2013, from http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons.
Weapons Rundown: Crossbow. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons [Accessed 20 Jun 2013].
“Weapons Rundown: Crossbow.” 2013. The History Channel website. Jun 20 2013, 3:08 http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons.
“Weapons Rundown: Crossbow,” The History Channel website, 2013, http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons [accessed Jun 20, 2013].
“Weapons Rundown: Crossbow,” The History Channel website, http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons (accessed Jun 20, 2013).
Weapons Rundown: Crossbow [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons.
Weapons Rundown: Crossbow, http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons (last visited Jun 20, 2013).
Weapons Rundown: Crossbow. The History Channel website. 2013. Available at: http://www.history.com/shows/top-shot/videos/playlists/season-1-weapons. Accessed Jun 20, 2013.