Tornadoes move across Mississippi River Delta. (2013). The History Channel website. Retrieved 2:02, June 19, 2013, from http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta.
Tornadoes move across Mississippi River Delta. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta [Accessed 19 Jun 2013].
“Tornadoes move across Mississippi River Delta.” 2013. The History Channel website. Jun 19 2013, 2:02 http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta.
“Tornadoes move across Mississippi River Delta,” The History Channel website, 2013, http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta [accessed Jun 19, 2013].
“Tornadoes move across Mississippi River Delta,” The History Channel website, http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta (accessed Jun 19, 2013).
Tornadoes move across Mississippi River Delta [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta.
Tornadoes move across Mississippi River Delta, http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta (last visited Jun 19, 2013).
Tornadoes move across Mississippi River Delta. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/tornadoes-move-across-mississippi-river-delta. Accessed Jun 19, 2013.