APA Style Citation

Richard P. Feynman Quotes. (n.d.). BrainyQuote.com. Retrieved July 17, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/richard_p_feynman_718985

Chicago Style Citation

Richard P. Feynman Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/richard_p_feynman_718985, accessed July 17, 2019.

MLA Style Citation

"Richard P. Feynman Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 17 July 2019. https://www.brainyquote.com/quotes/richard_p_feynman_718985