Nietzsche, F. (1997). Untimely meditations. Cambridge.
芝加哥风格引文Nietzsche, Friedrich. Untimely Meditations. New York: Cambridge, 1997.
MLA引文Nietzsche, Friedrich. Untimely Meditations. Cambridge, 1997.
警告：这些引文格式不一定是100％准确.
APA引文