An abortion-performing doctor is murdered. (2013). The History Channel website. Retrieved 9:50, May 23, 2013, from http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered.
An abortion-performing doctor is murdered. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered [Accessed 23 May 2013].
“An abortion-performing doctor is murdered.” 2013. The History Channel website. May 23 2013, 9:50 http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered.
“An abortion-performing doctor is murdered,” The History Channel website, 2013, http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered [accessed May 23, 2013].
“An abortion-performing doctor is murdered,” The History Channel website, http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered (accessed May 23, 2013).
An abortion-performing doctor is murdered [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered.
An abortion-performing doctor is murdered, http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered (last visited May 23, 2013).
An abortion-performing doctor is murdered. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/an-abortion-performing-doctor-is-murdered. Accessed May 23, 2013.