Spiller, R. E. (1955). The cycle of American literature: An essay in historical criticism. Macmillan.
芝加哥风格引文Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. New York: Macmillan, 1955.
MLA引文Spiller, Robert E. The Cycle of American Literature: An Essay in Historical Criticism. Macmillan, 1955.
警告：这些引文格式不一定是100％准确.