Cita APA (7a ed.)

Nietzsche, F., & Davey, N. (1997). Thus spake Zarathustra. Wordsworth.

Cita Chicago Style (17a ed.)

Nietzsche, Friedrich, y Nicholas Davey. Thus Spake Zarathustra. Hertfordshire: Wordsworth, 1997.

Cita MLA (9a ed.)

Nietzsche, Friedrich, y Nicholas Davey. Thus Spake Zarathustra. Wordsworth, 1997.