APA Style Citation

Donald Norman Quotes. (n.d.). BrainyQuote.com. Retrieved October 21, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/donald_norman_261267

Chicago Style Citation

Donald Norman Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/donald_norman_261267, accessed October 21, 2019.

MLA Style Citation

"Donald Norman Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 21 October 2019. https://www.brainyquote.com/quotes/donald_norman_261267