Robert Of Anjou, known as Robert the Wise, ruled as King of Naples for 34 years. He is best known as "the peace-maker of Italy."
Robert. (2013). The Biography Channel website. Retrieved 11:49, May 20, 2013, from http://www.biography.com/people/robert-38529.
Robert. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/robert-38529 [Accessed 20 May 2013].
"Robert." 2013. The Biography Channel website. May 20 2013, 11:49 http://www.biography.com/people/robert-38529.
"Robert," The Biography Channel website, 2013, http://www.biography.com/people/robert-38529 [accessed May 20, 2013].
"Robert," The Biography Channel website, http://www.biography.com/people/robert-38529 (accessed May 20, 2013).
Robert [Internet]. The Biography Channel website; 2013 [cited 2013 May 20] Available from: http://www.biography.com/people/robert-38529.
Robert, http://www.biography.com/people/robert-38529 (last visited May 20, 2013).
Robert. The Biography Channel website. 2013. Available at: http://www.biography.com/people/robert-38529. Accessed May 20, 2013.