APA (7th ed.) Citation

Gwartney James D., Stroup Richard L., & Sobel Russell S. (2000). Economics: Private and public choice (9th ed.). Dryden.

Chicago Style (17th ed.) Citation

Gwartney James D., Stroup Richard L., and Sobel Russell S. Economics: Private and Public Choice. 9th ed. Dryden, 2000.

MLA (8th ed.) Citation

Gwartney James D., et al. Economics: Private and Public Choice. 9th ed. Dryden, 2000.