Nixon vetoes War Powers Resolution. (2013). The History Channel website. Retrieved 7:18, May 19, 2013, from http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution.
Nixon vetoes War Powers Resolution. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution [Accessed 19 May 2013].
“Nixon vetoes War Powers Resolution.” 2013. The History Channel website. May 19 2013, 7:18 http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution.
“Nixon vetoes War Powers Resolution,” The History Channel website, 2013, http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution [accessed May 19, 2013].
“Nixon vetoes War Powers Resolution,” The History Channel website, http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution (accessed May 19, 2013).
Nixon vetoes War Powers Resolution [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution.
Nixon vetoes War Powers Resolution, http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution (last visited May 19, 2013).
Nixon vetoes War Powers Resolution. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/nixon-vetoes-war-powers-resolution. Accessed May 19, 2013.