APA (7th ed.) Citation

Leydet, F. (1968). Time and the river flowing: Grand Canyon. Sierra Club.

Chicago Style (17th ed.) Citation

Leydet, François. Time and the River Flowing: Grand Canyon. San Francisco: Sierra Club, 1968.

MLA (9th ed.) Citation

Leydet, François. Time and the River Flowing: Grand Canyon. Sierra Club, 1968.

Warning: These citations may not always be 100% accurate.