Nietzsche, F. (1964). Joyful wisdom. Fredrick Unger Publishing Company.
芝加哥风格引文Nietzsche, Friedrich. Joyful Wisdom. New York: Fredrick Unger Publishing Company, 1964.
MLA引文Nietzsche, Friedrich. Joyful Wisdom. Fredrick Unger Publishing Company, 1964.
警告：这些引文格式不一定是100％准确.