American physicist Ernest O. Lawrence won the 1939 Nobel Prize for Physics for his invention of the cyclotron particle accelerator.
Ernest Lawrence Orlando. (2013). The Biography Channel website. Retrieved 12:33, May 26, 2013, from http://www.biography.com/people/ernest-o-lawrence-9375538.
Ernest Lawrence Orlando. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/ernest-o-lawrence-9375538 [Accessed 26 May 2013].
"Ernest Lawrence Orlando." 2013. The Biography Channel website. May 26 2013, 12:33 http://www.biography.com/people/ernest-o-lawrence-9375538.
"Ernest Lawrence Orlando," The Biography Channel website, 2013, http://www.biography.com/people/ernest-o-lawrence-9375538 [accessed May 26, 2013].
"Ernest Lawrence Orlando," The Biography Channel website, http://www.biography.com/people/ernest-o-lawrence-9375538 (accessed May 26, 2013).
Ernest Lawrence Orlando [Internet]. The Biography Channel website; 2013 [cited 2013 May 26] Available from: http://www.biography.com/people/ernest-o-lawrence-9375538.
Ernest Lawrence Orlando, http://www.biography.com/people/ernest-o-lawrence-9375538 (last visited May 26, 2013).
Ernest Lawrence Orlando. The Biography Channel website. 2013. Available at: http://www.biography.com/people/ernest-o-lawrence-9375538. Accessed May 26, 2013.