APA (7th ed.) Citation

Ward, K. M., & Duffield, J. W. (1992). Natural resource damages: Law and economics. Wiley.

Chicago Style (17th ed.) Citation

Ward, Kevin M., and John W. Duffield. Natural Resource Damages: Law and Economics. New York u.a: Wiley, 1992.

MLA (9th ed.) Citation

Ward, Kevin M., and John W. Duffield. Natural Resource Damages: Law and Economics. Wiley, 1992.