Fletcher lands on the North Pole. (2013). The History Channel website. Retrieved 6:44, June 19, 2013, from http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole.
Fletcher lands on the North Pole. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole [Accessed 19 Jun 2013].
“Fletcher lands on the North Pole.” 2013. The History Channel website. Jun 19 2013, 6:44 http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole.
“Fletcher lands on the North Pole,” The History Channel website, 2013, http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole [accessed Jun 19, 2013].
“Fletcher lands on the North Pole,” The History Channel website, http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole (accessed Jun 19, 2013).
Fletcher lands on the North Pole [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole.
Fletcher lands on the North Pole, http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole (last visited Jun 19, 2013).
Fletcher lands on the North Pole. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/fletcher-lands-on-the-north-pole. Accessed Jun 19, 2013.