Cita APA (7th ed.)

Jaspers, K., Schmitz, F. J., & Wallraff, C. F. (1965). Nietzsche: An introduction to the understanding of his philosophical activity. University of Arizona Press.

Cita Chicago (17th ed.)

Jaspers, Karl, Frederick J. Schmitz, i Charles F. Wallraff. Nietzsche: An Introduction to the Understanding of His Philosophical Activity. Tucson: University of Arizona Press, 1965.

Cita MLA (9th ed.)

Jaspers, Karl, et al. Nietzsche: An Introduction to the Understanding of His Philosophical Activity. University of Arizona Press, 1965.