APA (7th ed.) Citation

Ridley, M. (2011). The rational optimist : how prosperity evolves / Matt Ridley: How prosperity evolves. Fourth Estate.

Chicago Style (17th ed.) Citation

Ridley, Matt. The Rational Optimist : How Prosperity Evolves / Matt Ridley: How Prosperity Evolves. London: Fourth Estate, 2011.

MLA (9th ed.) Citation

Ridley, Matt. The Rational Optimist : How Prosperity Evolves / Matt Ridley: How Prosperity Evolves. Fourth Estate, 2011.

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