APA Style Citation

Robert Ballard Quotes. (n.d.). BrainyQuote.com. Retrieved July 20, 2019, from BrainyQuote.com Web site: https://www.brainyquote.com/quotes/robert_ballard_474978

Chicago Style Citation

Robert Ballard Quotes. BrainyQuote.com, BrainyMedia Inc, 2019. https://www.brainyquote.com/quotes/robert_ballard_474978, accessed July 20, 2019.

MLA Style Citation

"Robert Ballard Quotes." BrainyQuote.com. BrainyMedia Inc, 2019. 20 July 2019. https://www.brainyquote.com/quotes/robert_ballard_474978