Atahualpa was the last Inca ruler, executed by Spanish conquistador Francisco Pizarro in 1533, marking the end of the Inca empire.
Atahualpa. (2013). The Biography Channel website. Retrieved 11:00, May 22, 2013, from http://www.biography.com/people/atahualpa-9191364.
Atahualpa. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/atahualpa-9191364 [Accessed 22 May 2013].
"Atahualpa." 2013. The Biography Channel website. May 22 2013, 11:00 http://www.biography.com/people/atahualpa-9191364.
"Atahualpa," The Biography Channel website, 2013, http://www.biography.com/people/atahualpa-9191364 [accessed May 22, 2013].
"Atahualpa," The Biography Channel website, http://www.biography.com/people/atahualpa-9191364 (accessed May 22, 2013).
Atahualpa [Internet]. The Biography Channel website; 2013 [cited 2013 May 22] Available from: http://www.biography.com/people/atahualpa-9191364.
Atahualpa, http://www.biography.com/people/atahualpa-9191364 (last visited May 22, 2013).
Atahualpa. The Biography Channel website. 2013. Available at: http://www.biography.com/people/atahualpa-9191364. Accessed May 22, 2013.