APA (7th ed.) Citation

National Park Foundation. (1984). The Complete guide to America's national parks: The official visitor's guide of the National Park Foundation : comprehensive information on all 360 of America's national park areas (1984-1985 ed.). The Foundation.

Chicago Style (17th ed.) Citation

National Park Foundation. The Complete Guide to America's National Parks: The Official Visitor's Guide of the National Park Foundation : Comprehensive Information on All 360 of America's National Park Areas. 1984-1985 ed. [Washington, D.C.]: The Foundation, 1984.

MLA (9th ed.) Citation

National Park Foundation. The Complete Guide to America's National Parks: The Official Visitor's Guide of the National Park Foundation : Comprehensive Information on All 360 of America's National Park Areas. 1984-1985 ed. The Foundation, 1984.