APA (7th ed.) Citation

Hess, P. N., & Ross, C. G. (1993). Principles of economics: An analytical approach. West Publ. Co.

Chicago Style (17th ed.) Citation

Hess, Peter N., and Clark G. Ross. Principles of Economics: An Analytical Approach. Minneapolis u.a: West Publ. Co, 1993.

MLA (9th ed.) Citation

Hess, Peter N., and Clark G. Ross. Principles of Economics: An Analytical Approach. West Publ. Co, 1993.