APA (7th ed.) Citation

Under-cover, T., & Harford, T. (2006). The Under cover economist. Harford.

Chicago Style (17th ed.) Citation

Under-cover, The, and Tim Harford. The Under Cover Economist. Harford, 2006.

MLA (8th ed.) Citation

Under-cover, The, and Tim Harford. The Under Cover Economist. Harford, 2006.

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