United States. Forest Service. Southern Research Station & English, D. B. K. (2002). Forest Service national visitor use monitoring process: Research method documentation. USDA Forest Service, Southern Research Station.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Southern Research Station and Donald B. K. English. Forest Service National Visitor Use Monitoring Process: Research Method Documentation. Asheville, NC: USDA Forest Service, Southern Research Station, 2002.
MLA (9th ed.) CitationUnited States. Forest Service. Southern Research Station and Donald B. K. English. Forest Service National Visitor Use Monitoring Process: Research Method Documentation. USDA Forest Service, Southern Research Station, 2002.
Warning: These citations may not always be 100% accurate.