Spengler, O. (1934). The hour of decision: Germany and world-historical evolution. New York: A. A. Knopf.
シカゴスタイル引用形Spengler, Oswald. The Hour of Decision: Germany and World-historical Evolution. New York: A. A. Knopf, 1934.
MLA引用形式Spengler, Oswald. The Hour of Decision: Germany and World-historical Evolution. New York: A. A. Knopf, 1934.
警告: この引用は必ずしも正確ではありません.