APA Style Citation

Lewis Thomas Quotes. (n.d.). BrainyQuote.com. Retrieved November 20, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/lewis_thomas_470045

Chicago Style Citation

Lewis Thomas Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/lewis_thomas_470045, accessed November 20, 2019.

MLA Style Citation

"Lewis Thomas Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 20 November 2019. https://www.brainyquote.com/quotes/lewis_thomas_470045