McKee, E. D. (1931). Ancient landscapes of the Grand Canyon region: The geology of Grand Canyon, Zion, Bryce, Petrified forest, and Painted desert (16. ed.). McKee.
Chicago-Zitierstil (17. Ausg.)McKee, Edwin Dinwiddie. Ancient Landscapes of the Grand Canyon Region: The Geology of Grand Canyon, Zion, Bryce, Petrified Forest, and Painted Desert. 16. ed. [Grand Canyon, Ariz.]: McKee, 1931.
MLA-Zitierstil (9. Ausg.)McKee, Edwin Dinwiddie. Ancient Landscapes of the Grand Canyon Region: The Geology of Grand Canyon, Zion, Bryce, Petrified Forest, and Painted Desert. 16. ed. McKee, 1931.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.