APA (7th ed.) Citation

Clark, R. N., & Stankey, G. H. (1979). The recreation opportunity spectrum: A framework for planning, management, and research. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Clark, Roger N., and George H. Stankey. The Recreation Opportunity Spectrum: A Framework for Planning, Management, and Research. [Portland, Or.]: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979.

MLA (9th ed.) Citation

Clark, Roger N., and George H. Stankey. The Recreation Opportunity Spectrum: A Framework for Planning, Management, and Research. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979.