Scott reaches the South Pole. (2013). The History Channel website. Retrieved 6:24, May 23, 2013, from http://www.history.com/this-day-in-history/scott-reaches-the-south-pole.
Scott reaches the South Pole. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/scott-reaches-the-south-pole [Accessed 23 May 2013].
“Scott reaches the South Pole.” 2013. The History Channel website. May 23 2013, 6:24 http://www.history.com/this-day-in-history/scott-reaches-the-south-pole.
“Scott reaches the South Pole,” The History Channel website, 2013, http://www.history.com/this-day-in-history/scott-reaches-the-south-pole [accessed May 23, 2013].
“Scott reaches the South Pole,” The History Channel website, http://www.history.com/this-day-in-history/scott-reaches-the-south-pole (accessed May 23, 2013).
Scott reaches the South Pole [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/scott-reaches-the-south-pole.
Scott reaches the South Pole, http://www.history.com/this-day-in-history/scott-reaches-the-south-pole (last visited May 23, 2013).
Scott reaches the South Pole. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/scott-reaches-the-south-pole. Accessed May 23, 2013.