APA (7th ed.) Citation

Johnson, G. V., & Johnson, R. L. (1990). Economic valuation of natural resources: Issues, theory, and applications. Westview Press.

Chicago Style (17th ed.) Citation

Johnson, Gary V., and Rebecca L. Johnson. Economic Valuation of Natural Resources: Issues, Theory, and Applications. Boulder: Westview Press, 1990.

MLA (9th ed.) Citation

Johnson, Gary V., and Rebecca L. Johnson. Economic Valuation of Natural Resources: Issues, Theory, and Applications. Westview Press, 1990.