Nixon's Personality. (2013). The History Channel website. Retrieved 3:25, May 22, 2013, from http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives.
Nixon's Personality. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives [Accessed 22 May 2013].
“Nixon's Personality.” 2013. The History Channel website. May 22 2013, 3:25 http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives.
“Nixon's Personality,” The History Channel website, 2013, http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives [accessed May 22, 2013].
“Nixon's Personality,” The History Channel website, http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives (accessed May 22, 2013).
Nixon's Personality [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives.
Nixon's Personality, http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives (last visited May 22, 2013).
Nixon's Personality. The History Channel website. 2013. Available at: http://www.history.com/shows/the-ultimate-guide-to-the-presidents/videos/playlists/web-exclusives. Accessed May 22, 2013.