Memorial Day. (2013). The History Channel website. Retrieved 1:24, May 25, 2013, from http://www.history.com/topics/memorial-day-history.
Memorial Day. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/topics/memorial-day-history [Accessed 25 May 2013].
“Memorial Day.” 2013. The History Channel website. May 25 2013, 1:24 http://www.history.com/topics/memorial-day-history.
“Memorial Day,” The History Channel website, 2013, http://www.history.com/topics/memorial-day-history [accessed May 25, 2013].
“Memorial Day,” The History Channel website, http://www.history.com/topics/memorial-day-history (accessed May 25, 2013).
Memorial Day [Internet]. The History Channel website; 2013 [cited 2013 May 25] Available from: http://www.history.com/topics/memorial-day-history.
Memorial Day, http://www.history.com/topics/memorial-day-history (last visited May 25, 2013).
Memorial Day. The History Channel website. 2013. Available at: http://www.history.com/topics/memorial-day-history. Accessed May 25, 2013.