National Parks and Conservation Association, Kuss, F. R., Graefe, A., & Vaske, J. J. (1990). Visitor impact management / by Fred R. Kuss, Alan R. Graefe, Jerry J. Vaske. National Parks and Conservation Association.
Chicago Style (17th ed.) CitationNational Parks and Conservation Association, Fred R. Kuss, Alan Graefe, and Jerry J. Vaske. Visitor Impact Management / by Fred R. Kuss, Alan R. Graefe, Jerry J. Vaske. Washington, D.C.: National Parks and Conservation Association, 1990.
MLA (9th ed.) CitationNational Parks and Conservation Association, et al. Visitor Impact Management / by Fred R. Kuss, Alan R. Graefe, Jerry J. Vaske. National Parks and Conservation Association, 1990.
Warning: These citations may not always be 100% accurate.