APA Style Citation

Peter Drucker Quotes. (n.d.). BrainyQuote.com. Retrieved August 22, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/peter_drucker_142500

Chicago Style Citation

Peter Drucker Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/peter_drucker_142500, accessed August 22, 2019.

MLA Style Citation

"Peter Drucker Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 22 August 2019. https://www.brainyquote.com/quotes/peter_drucker_142500