APA Style Citation

Richard P. Feynman Quotes. (n.d.). BrainyQuote.com. Retrieved October 22, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/richard_p_feynman_719002

Chicago Style Citation

Richard P. Feynman Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/richard_p_feynman_719002, accessed October 22, 2019.

MLA Style Citation

"Richard P. Feynman Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 22 October 2019. https://www.brainyquote.com/quotes/richard_p_feynman_719002