APA Style Citation

Martin Seligman Quotes. (n.d.). BrainyQuote.com. Retrieved October 16, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/martin_seligman_694646

Chicago Style Citation

Martin Seligman Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/martin_seligman_694646, accessed October 16, 2019.

MLA Style Citation

"Martin Seligman Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 16 October 2019. https://www.brainyquote.com/quotes/martin_seligman_694646