Clark pleads guilty in Yale grad student slaying. (2013). The History Channel website. Retrieved 6:38, May 20, 2013, from http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying.
Clark pleads guilty in Yale grad student slaying. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying [Accessed 20 May 2013].
“Clark pleads guilty in Yale grad student slaying.” 2013. The History Channel website. May 20 2013, 6:38 http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying.
“Clark pleads guilty in Yale grad student slaying,” The History Channel website, 2013, http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying [accessed May 20, 2013].
“Clark pleads guilty in Yale grad student slaying,” The History Channel website, http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying (accessed May 20, 2013).
Clark pleads guilty in Yale grad student slaying [Internet]. The History Channel website; 2013 [cited 2013 May 20] Available from: http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying.
Clark pleads guilty in Yale grad student slaying, http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying (last visited May 20, 2013).
Clark pleads guilty in Yale grad student slaying. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/clark-pleads-guilty-in-yale-grad-student-slaying. Accessed May 20, 2013.