Walter Reed was a U.S. Army pathologist and bacteriologist who led the experiments that proved that yellow fever is transmitted by mosquito bite.
Walter Reed. (2013). The Biography Channel website. Retrieved 09:05, May 20, 2013, from http://www.biography.com/people/walter-reed-9454083.
Walter Reed. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/walter-reed-9454083 [Accessed 20 May 2013].
"Walter Reed." 2013. The Biography Channel website. May 20 2013, 09:05 http://www.biography.com/people/walter-reed-9454083.
"Walter Reed," The Biography Channel website, 2013, http://www.biography.com/people/walter-reed-9454083 [accessed May 20, 2013].
"Walter Reed," The Biography Channel website, http://www.biography.com/people/walter-reed-9454083 (accessed May 20, 2013).
Walter Reed [Internet]. The Biography Channel website; 2013 [cited 2013 May 20] Available from: http://www.biography.com/people/walter-reed-9454083.
Walter Reed, http://www.biography.com/people/walter-reed-9454083 (last visited May 20, 2013).
Walter Reed. The Biography Channel website. 2013. Available at: http://www.biography.com/people/walter-reed-9454083. Accessed May 20, 2013.