APA Style Citation
John B. S. Haldane. (n.d.). BrainyQuote.com. Retrieved June 19, 2013, from BrainyQuote.com Web site: http://www.brainyquote.com/quotes/quotes/j/johnbsha390966.html
Chicago Style Citation
John B. S. Haldane. BrainyQuote.com, Xplore Inc, 2013. http://www.brainyquote.com/quotes/quotes/j/johnbsha390966.html, accessed June 19, 2013.
MLA Style Citation
"John B. S. Haldane." BrainyQuote.com. Xplore Inc, 2013. 19 June 2013. http://www.brainyquote.com/quotes/quotes/j/johnbsha390966.html
