Corps of Discovery suffers its only death. (2013). The History Channel website. Retrieved 4:20, May 19, 2013, from http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death.
Corps of Discovery suffers its only death. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death [Accessed 19 May 2013].
“Corps of Discovery suffers its only death.” 2013. The History Channel website. May 19 2013, 4:20 http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death.
“Corps of Discovery suffers its only death,” The History Channel website, 2013, http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death [accessed May 19, 2013].
“Corps of Discovery suffers its only death,” The History Channel website, http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death (accessed May 19, 2013).
Corps of Discovery suffers its only death [Internet]. The History Channel website; 2013 [cited 2013 May 19] Available from: http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death.
Corps of Discovery suffers its only death, http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death (last visited May 19, 2013).
Corps of Discovery suffers its only death. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/corps-of-discovery-suffers-its-only-death. Accessed May 19, 2013.