APA (7th ed.) Citation

Dryden press, Gwartney, J., Stroup, R., & Studenmund, A. (1992). Economics: Private and public choice (6th.). Dryden press.

Chicago Style (17th ed.) Citation

Dryden press, J. Gwartney, R. Stroup, and A. Studenmund. Economics: Private and Public Choice. 6th. Fort Worth: Dryden press, 1992.

MLA (8th ed.) Citation

Dryden press, et al. Economics: Private and Public Choice. 6th. Dryden press, 1992.