Clawson, M., & Knetsch, J. L. (1966). Economics of outdoor recreation / by M. Clawson and J.L. Knetsch. Johns Hopkins.
Chicago Style (17th ed.) CitationClawson, Marion, and J. L. Knetsch. Economics of Outdoor Recreation / by M. Clawson and J.L. Knetsch. Johns Hopkins, 1966.
MLA (9th ed.) CitationClawson, Marion, and J. L. Knetsch. Economics of Outdoor Recreation / by M. Clawson and J.L. Knetsch. Johns Hopkins, 1966.
Warning: These citations may not always be 100% accurate.