APA (7th ed.) Citation

National Park Foundation. (1998). The Complete guide to America's national parks: The official visitor's guide of the National Park Foundation (10th ed.). Fodor's Travel Publications, Inc..

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. 10th ed. New York: Fodor's Travel Publications, Inc., 1998.

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. 10th ed. Fodor's Travel Publications, Inc., 1998.