APA (7th ed.) Citation

Clawson, M. (1959). Methods of measuring the demand for and value of outdoor recreation. Resources for the future.

Chicago Style (17th ed.) Citation

Clawson, Marion. Methods of Measuring the Demand for and Value of Outdoor Recreation. Washington, D.C.: Resources for the future, 1959.

MLA (9th ed.) Citation

Clawson, Marion. Methods of Measuring the Demand for and Value of Outdoor Recreation. Resources for the future, 1959.