Escalante and Dominguez begin expedition. (2013). The History Channel website. Retrieved 4:36, May 21, 2013, from http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition.
Escalante and Dominguez begin expedition. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition [Accessed 21 May 2013].
“Escalante and Dominguez begin expedition.” 2013. The History Channel website. May 21 2013, 4:36 http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition.
“Escalante and Dominguez begin expedition,” The History Channel website, 2013, http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition [accessed May 21, 2013].
“Escalante and Dominguez begin expedition,” The History Channel website, http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition (accessed May 21, 2013).
Escalante and Dominguez begin expedition [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition.
Escalante and Dominguez begin expedition, http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition (last visited May 21, 2013).
Escalante and Dominguez begin expedition. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/escalante-and-dominguez-begin-expedition. Accessed May 21, 2013.