APA (7th ed.) Citation

Beal, M. D. (1956). The story of man in Yellowstone (Rev. ed.). Yellowstone Library and Museum Association.

Chicago Style (17th ed.) Citation

Beal, Merrill D. The Story of Man in Yellowstone. Rev. ed. Yellowstone Park, Wyo.: Yellowstone Library and Museum Association, 1956.

MLA (9th ed.) Citation

Beal, Merrill D. The Story of Man in Yellowstone. Rev. ed. Yellowstone Library and Museum Association, 1956.