United States. National Park Service. Appalachian Trail Project Office. (1981). Comprehensive plan for the protection, management, development and use of the Appalachian National Scenic Trail. The Office.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Appalachian Trail Project Office. Comprehensive Plan for the Protection, Management, Development and Use of the Appalachian National Scenic Trail. Harpers Ferry, W.Va.: The Office, 1981.
MLA (9th ed.) CitationUnited States. National Park Service. Appalachian Trail Project Office. Comprehensive Plan for the Protection, Management, Development and Use of the Appalachian National Scenic Trail. The Office, 1981.
Warning: These citations may not always be 100% accurate.