About Mankind The Story of All of Us. (2013). The History Channel website. Retrieved 12:40, May 24, 2013, from http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us.
About Mankind The Story of All of Us. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us [Accessed 24 May 2013].
“About Mankind The Story of All of Us.” 2013. The History Channel website. May 24 2013, 12:40 http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us.
“About Mankind The Story of All of Us,” The History Channel website, 2013, http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us [accessed May 24, 2013].
“About Mankind The Story of All of Us,” The History Channel website, http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us (accessed May 24, 2013).
About Mankind The Story of All of Us [Internet]. The History Channel website; 2013 [cited 2013 May 24] Available from: http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us.
About Mankind The Story of All of Us, http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us (last visited May 24, 2013).
About Mankind The Story of All of Us. The History Channel website. 2013. Available at: http://www.history.com/shows/mankind-the-story-of-all-of-us/articles/about-mankind-the-story-of-all-of-us. Accessed May 24, 2013.