APA Style Citation
John W. Snow. (n.d.). BrainyQuote.com. Retrieved May 19, 2013, from BrainyQuote.com Web site: http://www.brainyquote.com/quotes/quotes/j/johnwsnow330059.html
Chicago Style Citation
John W. Snow. BrainyQuote.com, Xplore Inc, 2013. http://www.brainyquote.com/quotes/quotes/j/johnwsnow330059.html, accessed May 19, 2013.
MLA Style Citation
"John W. Snow." BrainyQuote.com. Xplore Inc, 2013. 19 May 2013. http://www.brainyquote.com/quotes/quotes/j/johnwsnow330059.html
