APA Style Citation
Mary, Crown Princess of Denmark. (n.d.). BrainyQuote.com. Retrieved February 23, 2017, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/quotes/m/marycrown467408.html
Chicago Style Citation
Mary, Crown Princess of Denmark. BrainyQuote.com, Xplore Inc, 2017. https://www.brainyquote.com/quotes/quotes/m/marycrown467408.html, accessed February 23, 2017.
MLA Style Citation
"Mary, Crown Princess of Denmark." BrainyQuote.com. Xplore Inc, 2017. 23 February 2017. https://www.brainyquote.com/quotes/quotes/m/marycrown467408.html