APA (7th ed.) Citation

Ridley, M. (2010). The rational optimist: How prosperity evolves (1st U.S. ed.). Harper.

Chicago Style (17th ed.) Citation

Ridley, Matt. The Rational Optimist: How Prosperity Evolves. 1st U.S. ed. New York: Harper, 2010.

MLA (8th ed.) Citation

Ridley, Matt. The Rational Optimist: How Prosperity Evolves. 1st U.S. ed. Harper, 2010.

Warning: These citations may not always be 100% accurate.