Kennedy proposes joint mission to the moon. (2013). The History Channel website. Retrieved 9:29, May 23, 2013, from http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon.
Kennedy proposes joint mission to the moon. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon [Accessed 23 May 2013].
“Kennedy proposes joint mission to the moon.” 2013. The History Channel website. May 23 2013, 9:29 http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon.
“Kennedy proposes joint mission to the moon,” The History Channel website, 2013, http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon [accessed May 23, 2013].
“Kennedy proposes joint mission to the moon,” The History Channel website, http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon (accessed May 23, 2013).
Kennedy proposes joint mission to the moon [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon.
Kennedy proposes joint mission to the moon, http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon (last visited May 23, 2013).
Kennedy proposes joint mission to the moon. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/kennedy-proposes-joint-mission-to-the-moon. Accessed May 23, 2013.