Não informado. (1999). Contributions to Geology. University of Wyoming, Department of Geology.
Chicagoスタイル(17版)引用形式Não informado. Contributions to Geology. Laramie, Wyo: University of Wyoming, Department of Geology, 1999.
MLA(8版)引用形式Não informado. Contributions to Geology. University of Wyoming, Department of Geology, 1999.
警告: この引用は必ずしも正確ではありません.