Cita APA (7th ed.)

Nietzsche, F. (1964). Joyful wisdom. Fredrick Unger Publishing Company.

Cita Chicago (17th ed.)

Nietzsche, Friedrich. Joyful Wisdom. New York: Fredrick Unger Publishing Company, 1964.

Cita MLA (9th ed.)

Nietzsche, Friedrich. Joyful Wisdom. Fredrick Unger Publishing Company, 1964.