April Fools tradition popularized. (2013). The History Channel website. Retrieved 12:18, May 23, 2013, from http://www.history.com/this-day-in-history/april-fools-tradition-popularized.
April Fools tradition popularized. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/april-fools-tradition-popularized [Accessed 23 May 2013].
“April Fools tradition popularized.” 2013. The History Channel website. May 23 2013, 12:18 http://www.history.com/this-day-in-history/april-fools-tradition-popularized.
“April Fools tradition popularized,” The History Channel website, 2013, http://www.history.com/this-day-in-history/april-fools-tradition-popularized [accessed May 23, 2013].
“April Fools tradition popularized,” The History Channel website, http://www.history.com/this-day-in-history/april-fools-tradition-popularized (accessed May 23, 2013).
April Fools tradition popularized [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/april-fools-tradition-popularized.
April Fools tradition popularized, http://www.history.com/this-day-in-history/april-fools-tradition-popularized (last visited May 23, 2013).
April Fools tradition popularized. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/april-fools-tradition-popularized. Accessed May 23, 2013.