John Bunyan was a celebrated English minister and author of The Pilgrim's Progress (1678), the most characteristic expression of the Puritan religious outlook.
John Bunyan. (2013). The Biography Channel website. Retrieved 02:25, May 22, 2013, from http://www.biography.com/people/john-bunyan-9231294.
John Bunyan. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/john-bunyan-9231294 [Accessed 22 May 2013].
"John Bunyan." 2013. The Biography Channel website. May 22 2013, 02:25 http://www.biography.com/people/john-bunyan-9231294.
"John Bunyan," The Biography Channel website, 2013, http://www.biography.com/people/john-bunyan-9231294 [accessed May 22, 2013].
"John Bunyan," The Biography Channel website, http://www.biography.com/people/john-bunyan-9231294 (accessed May 22, 2013).
John Bunyan [Internet]. The Biography Channel website; 2013 [cited 2013 May 22] Available from: http://www.biography.com/people/john-bunyan-9231294.
John Bunyan, http://www.biography.com/people/john-bunyan-9231294 (last visited May 22, 2013).
John Bunyan. The Biography Channel website. 2013. Available at: http://www.biography.com/people/john-bunyan-9231294. Accessed May 22, 2013.