Scientist Barbara McClintock won a Nobel Prize in 1983 for her study of corn chromosomes, which revolutionized the field of cytogenetics.
Barbara McClintock. (2013). The Biography Channel website. Retrieved 07:53, May 23, 2013, from http://www.biography.com/people/barbara-mcclintock-9391014.
Barbara McClintock. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/barbara-mcclintock-9391014 [Accessed 23 May 2013].
"Barbara McClintock." 2013. The Biography Channel website. May 23 2013, 07:53 http://www.biography.com/people/barbara-mcclintock-9391014.
"Barbara McClintock," The Biography Channel website, 2013, http://www.biography.com/people/barbara-mcclintock-9391014 [accessed May 23, 2013].
"Barbara McClintock," The Biography Channel website, http://www.biography.com/people/barbara-mcclintock-9391014 (accessed May 23, 2013).
Barbara McClintock [Internet]. The Biography Channel website; 2013 [cited 2013 May 23] Available from: http://www.biography.com/people/barbara-mcclintock-9391014.
Barbara McClintock, http://www.biography.com/people/barbara-mcclintock-9391014 (last visited May 23, 2013).
Barbara McClintock. The Biography Channel website. 2013. Available at: http://www.biography.com/people/barbara-mcclintock-9391014. Accessed May 23, 2013.