John Stevens was an inventor and promoter of steam power for transportation. His petition to Congress resulted in the Patent Law of 1790.
John Cox Stevens. (2013). The Biography Channel website. Retrieved 11:39, May 21, 2013, from http://www.biography.com/people/john-cox-stevens-9494365.
John Cox Stevens. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/john-cox-stevens-9494365 [Accessed 21 May 2013].
"John Cox Stevens." 2013. The Biography Channel website. May 21 2013, 11:39 http://www.biography.com/people/john-cox-stevens-9494365.
"John Cox Stevens," The Biography Channel website, 2013, http://www.biography.com/people/john-cox-stevens-9494365 [accessed May 21, 2013].
"John Cox Stevens," The Biography Channel website, http://www.biography.com/people/john-cox-stevens-9494365 (accessed May 21, 2013).
John Cox Stevens [Internet]. The Biography Channel website; 2013 [cited 2013 May 21] Available from: http://www.biography.com/people/john-cox-stevens-9494365.
John Cox Stevens, http://www.biography.com/people/john-cox-stevens-9494365 (last visited May 21, 2013).
John Cox Stevens. The Biography Channel website. 2013. Available at: http://www.biography.com/people/john-cox-stevens-9494365. Accessed May 21, 2013.