APA (7th ed.) Citation

Fowler, D. D., Euler, R. C., & Fowler, C. S. (1969). John Wesley Powell and the anthropology of the Canyon Country. U.S.G.P.O..

Chicago Style (17th ed.) Citation

Fowler, Don D., Robert C. Euler, and Catherine S. Fowler. John Wesley Powell and the Anthropology of the Canyon Country. Washington: U.S.G.P.O., 1969.

MLA (9th ed.) Citation

Fowler, Don D., et al. John Wesley Powell and the Anthropology of the Canyon Country. U.S.G.P.O., 1969.