American circumnavigates the globe on foot. (2013). The History Channel website. Retrieved 4:13, May 22, 2013, from http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot.
American circumnavigates the globe on foot. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot [Accessed 22 May 2013].
“American circumnavigates the globe on foot.” 2013. The History Channel website. May 22 2013, 4:13 http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot.
“American circumnavigates the globe on foot,” The History Channel website, 2013, http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot [accessed May 22, 2013].
“American circumnavigates the globe on foot,” The History Channel website, http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot (accessed May 22, 2013).
American circumnavigates the globe on foot [Internet]. The History Channel website; 2013 [cited 2013 May 22] Available from: http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot.
American circumnavigates the globe on foot, http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot (last visited May 22, 2013).
American circumnavigates the globe on foot. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/american-circumnavigates-the-globe-on-foot. Accessed May 22, 2013.