A case of split personality in puzzling Chicago murders. (2013). The History Channel website. Retrieved 9:58, May 21, 2013, from http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders.
A case of split personality in puzzling Chicago murders. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders [Accessed 21 May 2013].
“A case of split personality in puzzling Chicago murders.” 2013. The History Channel website. May 21 2013, 9:58 http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders.
“A case of split personality in puzzling Chicago murders,” The History Channel website, 2013, http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders [accessed May 21, 2013].
“A case of split personality in puzzling Chicago murders,” The History Channel website, http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders (accessed May 21, 2013).
A case of split personality in puzzling Chicago murders [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders.
A case of split personality in puzzling Chicago murders, http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders (last visited May 21, 2013).
A case of split personality in puzzling Chicago murders. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/a-case-of-split-personality-in-puzzling-chicago-murders. Accessed May 21, 2013.