Constitutional Convention begins. (2013). The History Channel website. Retrieved 6:08, June 20, 2013, from http://www.history.com/this-day-in-history/constitutional-convention-begins.
Constitutional Convention begins. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/constitutional-convention-begins [Accessed 20 Jun 2013].
“Constitutional Convention begins.” 2013. The History Channel website. Jun 20 2013, 6:08 http://www.history.com/this-day-in-history/constitutional-convention-begins.
“Constitutional Convention begins,” The History Channel website, 2013, http://www.history.com/this-day-in-history/constitutional-convention-begins [accessed Jun 20, 2013].
“Constitutional Convention begins,” The History Channel website, http://www.history.com/this-day-in-history/constitutional-convention-begins (accessed Jun 20, 2013).
Constitutional Convention begins [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/constitutional-convention-begins.
Constitutional Convention begins, http://www.history.com/this-day-in-history/constitutional-convention-begins (last visited Jun 20, 2013).
Constitutional Convention begins. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/constitutional-convention-begins. Accessed Jun 20, 2013.