President Johnson sends signal to both North and South Vietnamese. (2013). The History Channel website. Retrieved 7:06, May 21, 2013, from http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese.
President Johnson sends signal to both North and South Vietnamese. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese [Accessed 21 May 2013].
“President Johnson sends signal to both North and South Vietnamese.” 2013. The History Channel website. May 21 2013, 7:06 http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese.
“President Johnson sends signal to both North and South Vietnamese,” The History Channel website, 2013, http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese [accessed May 21, 2013].
“President Johnson sends signal to both North and South Vietnamese,” The History Channel website, http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese (accessed May 21, 2013).
President Johnson sends signal to both North and South Vietnamese [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese.
President Johnson sends signal to both North and South Vietnamese, http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese (last visited May 21, 2013).
President Johnson sends signal to both North and South Vietnamese. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/president-johnson-sends-signal-to-both-north-and-south-vietnamese. Accessed May 21, 2013.