Buzz Aldrin Explains the Roles of Commander and Pilot. (2013). The History Channel website. Retrieved 5:32, May 20, 2013, from http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot.
Buzz Aldrin Explains the Roles of Commander and Pilot. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot [Accessed 20 May 2013].
“Buzz Aldrin Explains the Roles of Commander and Pilot.” 2013. The History Channel website. May 20 2013, 5:32 http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot.
“Buzz Aldrin Explains the Roles of Commander and Pilot,” The History Channel website, 2013, http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot [accessed May 20, 2013].
“Buzz Aldrin Explains the Roles of Commander and Pilot,” The History Channel website, http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot (accessed May 20, 2013).
Buzz Aldrin Explains the Roles of Commander and Pilot [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot.
Buzz Aldrin Explains the Roles of Commander and Pilot, http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot (last visited May 20, 2013).
Buzz Aldrin Explains the Roles of Commander and Pilot. The History Channel website. 2013. Available at: http://www.history.com/videos/buzz-aldrin-explains-the-roles-of-commander-and-pilot. Accessed May 20, 2013.