APA (7th ed.) Citation

Clawson, M., & Knetsch, J. L. (1966). Economics of outdoor recreation. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Clawson, Marion, and Jack L. Knetsch. Economics of Outdoor Recreation. Baltimore: Johns Hopkins Press, 1966.

MLA (9th ed.) Citation

Clawson, Marion, and Jack L. Knetsch. Economics of Outdoor Recreation. Johns Hopkins Press, 1966.