Magellan's expedition circumnavigates globe. (2013). The History Channel website. Retrieved 9:25, May 20, 2013, from http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe.
Magellan's expedition circumnavigates globe. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe [Accessed 20 May 2013].
“Magellan's expedition circumnavigates globe.” 2013. The History Channel website. May 20 2013, 9:25 http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe.
“Magellan's expedition circumnavigates globe,” The History Channel website, 2013, http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe [accessed May 20, 2013].
“Magellan's expedition circumnavigates globe,” The History Channel website, http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe (accessed May 20, 2013).
Magellan's expedition circumnavigates globe [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe.
Magellan's expedition circumnavigates globe, http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe (last visited May 20, 2013).
Magellan's expedition circumnavigates globe. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/magellans-expedition-circumnavigates-globe. Accessed May 20, 2013.