Kurtz, P. (1966). American philosophy in the twentieth century. The Macmillan.
Chicagoスタイル(17版)引用形式Kurtz, Paul. American Philosophy in the Twentieth Century. New York: The Macmillan, 1966.
MLA(9版)引用形式Kurtz, Paul. American Philosophy in the Twentieth Century. The Macmillan, 1966.
警告: この引用は必ずしも正確ではありません.