APA (7th ed.) Citation

Leydet, F., & Brower, D. J. (1964). Time and the river flowing: Grand Canyon. Sierra Club.

Chicago Style (17th ed.) Citation

Leydet, François, and David J. Brower. Time and the River Flowing: Grand Canyon. San Francisco: Sierra Club, 1964.

MLA (9th ed.) Citation

Leydet, François, and David J. Brower. Time and the River Flowing: Grand Canyon. Sierra Club, 1964.