Ezzard Charles was American world heavyweight boxing champion from 1950, when he outpointed Joe Louis to 1951, when he was knocked out by Jersey Joe Walcott.
Ezzard Charles. (2013). The Biography Channel website. Retrieved 01:46, May 19, 2013, from http://www.biography.com/people/ezzard-charles-38398.
Ezzard Charles. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/ezzard-charles-38398 [Accessed 19 May 2013].
"Ezzard Charles." 2013. The Biography Channel website. May 19 2013, 01:46 http://www.biography.com/people/ezzard-charles-38398.
"Ezzard Charles," The Biography Channel website, 2013, http://www.biography.com/people/ezzard-charles-38398 [accessed May 19, 2013].
"Ezzard Charles," The Biography Channel website, http://www.biography.com/people/ezzard-charles-38398 (accessed May 19, 2013).
Ezzard Charles [Internet]. The Biography Channel website; 2013 [cited 2013 May 19] Available from: http://www.biography.com/people/ezzard-charles-38398.
Ezzard Charles, http://www.biography.com/people/ezzard-charles-38398 (last visited May 19, 2013).
Ezzard Charles. The Biography Channel website. 2013. Available at: http://www.biography.com/people/ezzard-charles-38398. Accessed May 19, 2013.