Não informado. (1893). Journal of Geology. University of Chicago Press.
Chicagoスタイル(17版)引用形式Não informado. Journal of Geology. Chicago, Ill: University of Chicago Press, 1893.
MLA(8版)引用形式Não informado. Journal of Geology. University of Chicago Press, 1893.
警告: この引用は必ずしも正確ではありません.