APA (7th ed.) Citation

United States. National Park Service. (2001). Big Thicket National Preserve, Texas: Official map and guide ([2001 revised edition].). U.S. Forest Service.

Chicago Style (17th ed.) Citation

United States. National Park Service. Big Thicket National Preserve, Texas: Official Map and Guide. [2001 revised edition]. [Washington, D.C.]: U.S. Forest Service, 2001.

MLA (9th ed.) Citation

United States. National Park Service. Big Thicket National Preserve, Texas: Official Map and Guide. [2001 revised edition]. U.S. Forest Service, 2001.