Não informado. (1934). Memoir of the Geological Society of America. Geological Society of America.
Chicagoスタイル(17版)引用形式Não informado. Memoir of the Geological Society of America. Washington: Geological Society of America, 1934.
MLA(8版)引用形式Não informado. Memoir of the Geological Society of America. Geological Society of America, 1934.
警告: この引用は必ずしも正確ではありません.