Tropical Storm Allison wreaks havoc. (2013). The History Channel website. Retrieved 6:40, May 23, 2013, from http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc.
Tropical Storm Allison wreaks havoc. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc [Accessed 23 May 2013].
“Tropical Storm Allison wreaks havoc.” 2013. The History Channel website. May 23 2013, 6:40 http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc.
“Tropical Storm Allison wreaks havoc,” The History Channel website, 2013, http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc [accessed May 23, 2013].
“Tropical Storm Allison wreaks havoc,” The History Channel website, http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc (accessed May 23, 2013).
Tropical Storm Allison wreaks havoc [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc.
Tropical Storm Allison wreaks havoc, http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc (last visited May 23, 2013).
Tropical Storm Allison wreaks havoc. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/tropical-storm-allison-wreaks-havoc. Accessed May 23, 2013.