French inventor Nicéphore Niépce was the first to make a permanent photographic image.
Nicéphore Niépce. (2013). The Biography Channel website. Retrieved 04:22, May 19, 2013, from http://www.biography.com/people/nicéphore-niépce-41069.
Nicéphore Niépce. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/nicéphore-niépce-41069 [Accessed 19 May 2013].
"Nicéphore Niépce." 2013. The Biography Channel website. May 19 2013, 04:22 http://www.biography.com/people/nicéphore-niépce-41069.
"Nicéphore Niépce," The Biography Channel website, 2013, http://www.biography.com/people/nicéphore-niépce-41069 [accessed May 19, 2013].
"Nicéphore Niépce," The Biography Channel website, http://www.biography.com/people/nicéphore-niépce-41069 (accessed May 19, 2013).
Nicéphore Niépce [Internet]. The Biography Channel website; 2013 [cited 2013 May 19] Available from: http://www.biography.com/people/nicéphore-niépce-41069.
Nicéphore Niépce, http://www.biography.com/people/nicéphore-niépce-41069 (last visited May 19, 2013).
Nicéphore Niépce. The Biography Channel website. 2013. Available at: http://www.biography.com/people/nicéphore-niépce-41069. Accessed May 19, 2013.