APA (7th ed.) Citation

Tullock, G., & Rowley, C. K. (2006). Economics without frontiers. Liberty Fund.

Chicago Style (17th ed.) Citation

Tullock, Gordon, and Charles Kershaw Rowley. Economics Without Frontiers. Indianapolis, Ind.: Liberty Fund, 2006.

MLA (9th ed.) Citation

Tullock, Gordon, and Charles Kershaw Rowley. Economics Without Frontiers. Liberty Fund, 2006.