Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, Flagstaff, & McKee, E. D. (1967). Evolution of the Colorado River in Arizona: An hypothesis developed at the Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, August 1964. Museum of Northern Arizona.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, Flagstaff, và Edwin Dinwiddie McKee. Evolution of the Colorado River in Arizona: An Hypothesis Developed at the Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, August 1964. Flagstaff: Museum of Northern Arizona, 1967.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, Flagstaff, và Edwin Dinwiddie McKee. Evolution of the Colorado River in Arizona: An Hypothesis Developed at the Symposium on Cenozoic Geology of the Colorado Plateau in Arizona, August 1964. Museum of Northern Arizona, 1967.