APA (7th ed.) Citation

Dixon, J. A., & Sherman, P. B. (1990). Economics of protected areas: A new look at benefits and costs. Island Press.

Chicago Style (17th ed.) Citation

Dixon, John A., and Paul B. Sherman. Economics of Protected Areas: A New Look at Benefits and Costs. Washington, D.C.: Island Press, 1990.

MLA (9th ed.) Citation

Dixon, John A., and Paul B. Sherman. Economics of Protected Areas: A New Look at Benefits and Costs. Island Press, 1990.