Blizzard unexpectedly hits North Dakota and Minnesota. (2013). The History Channel website. Retrieved 6:03, May 18, 2013, from http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota.
Blizzard unexpectedly hits North Dakota and Minnesota. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota [Accessed 18 May 2013].
“Blizzard unexpectedly hits North Dakota and Minnesota.” 2013. The History Channel website. May 18 2013, 6:03 http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota.
“Blizzard unexpectedly hits North Dakota and Minnesota,” The History Channel website, 2013, http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota [accessed May 18, 2013].
“Blizzard unexpectedly hits North Dakota and Minnesota,” The History Channel website, http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota (accessed May 18, 2013).
Blizzard unexpectedly hits North Dakota and Minnesota [Internet]. The History Channel website; 2013 [cited 2013 May 18] Available from: http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota.
Blizzard unexpectedly hits North Dakota and Minnesota, http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota (last visited May 18, 2013).
Blizzard unexpectedly hits North Dakota and Minnesota. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/blizzard-unexpectedly-hits-north-dakota-and-minnesota. Accessed May 18, 2013.