APA (7th ed.) Citation

Irwin, McKanzie, R., & Tullock, G. (1989). The best of the new world of economics: ...and then some (5th.). Irwin.

Chicago Style (17th ed.) Citation

Irwin, R. McKanzie, and G. Tullock. The Best of the New World of Economics: ...and Then Some. 5th. Illinois: Irwin, 1989.

MLA (8th ed.) Citation

Irwin, et al. The Best of the New World of Economics: ...and Then Some. 5th. Irwin, 1989.