Powerful earthquake rocks Algeria. (2013). The History Channel website. Retrieved 4:40, May 23, 2013, from http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria.
Powerful earthquake rocks Algeria. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria [Accessed 23 May 2013].
“Powerful earthquake rocks Algeria.” 2013. The History Channel website. May 23 2013, 4:40 http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria.
“Powerful earthquake rocks Algeria,” The History Channel website, 2013, http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria [accessed May 23, 2013].
“Powerful earthquake rocks Algeria,” The History Channel website, http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria (accessed May 23, 2013).
Powerful earthquake rocks Algeria [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria.
Powerful earthquake rocks Algeria, http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria (last visited May 23, 2013).
Powerful earthquake rocks Algeria. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/powerful-earthquake-rocks-algeria. Accessed May 23, 2013.