APA (7th ed.) Citation

(2018). The story of the Gallatin Petrified Forest: Ancient forests petrified during volcanic eruptions when prehistoric mammals walked the land. U.S. Department of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

The Story of the Gallatin Petrified Forest: Ancient Forests Petrified During Volcanic Eruptions When Prehistoric Mammals Walked the Land. [Washington, D.C.]: U.S. Department of Agriculture, Forest Service, 2018.

MLA (9th ed.) Citation

The Story of the Gallatin Petrified Forest: Ancient Forests Petrified During Volcanic Eruptions When Prehistoric Mammals Walked the Land. U.S. Department of Agriculture, Forest Service, 2018.