U.S. politician Al Smith was a four-time Democratic governor of New York, and the first Roman Catholic to run for the American presidency (1928).
Al Smith. (2013). The Biography Channel website. Retrieved 02:42, May 19, 2013, from http://www.biography.com/people/al-smith-38058.
Al Smith. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/al-smith-38058 [Accessed 19 May 2013].
"Al Smith." 2013. The Biography Channel website. May 19 2013, 02:42 http://www.biography.com/people/al-smith-38058.
"Al Smith," The Biography Channel website, 2013, http://www.biography.com/people/al-smith-38058 [accessed May 19, 2013].
"Al Smith," The Biography Channel website, http://www.biography.com/people/al-smith-38058 (accessed May 19, 2013).
Al Smith [Internet]. The Biography Channel website; 2013 [cited 2013 May 19] Available from: http://www.biography.com/people/al-smith-38058.
Al Smith, http://www.biography.com/people/al-smith-38058 (last visited May 19, 2013).
Al Smith. The Biography Channel website. 2013. Available at: http://www.biography.com/people/al-smith-38058. Accessed May 19, 2013.