APA Style Citation

Isaac Asimov Quotes. (n.d.). BrainyQuote.com. Retrieved July 19, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/isaac_asimov_802395

Chicago Style Citation

Isaac Asimov Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/isaac_asimov_802395, accessed July 19, 2019.

MLA Style Citation

"Isaac Asimov Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 19 July 2019. https://www.brainyquote.com/quotes/isaac_asimov_802395