Nietzsche, F. (1964). Joyful wisdom. Fredrick Unger Publishing Company.
Chicago Style (17th ed.) ZitazioaNietzsche, Friedrich. Joyful Wisdom. New York: Fredrick Unger Publishing Company, 1964.
MLA (9th ed.) ZitazioaNietzsche, Friedrich. Joyful Wisdom. Fredrick Unger Publishing Company, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.