APA (7th ed.) Citation

Nietzsche, F. W. (1971). Nietzsche: A self-portrait from his letters. Harvard University Press.

Chicago Style (17th ed.) Citation

Nietzsche, Friedrich Wilhelm. Nietzsche: A Self-portrait from His Letters. Cambridge, Mass.: Harvard University Press, 1971.

MLA (9th ed.) Citation

Nietzsche, Friedrich Wilhelm. Nietzsche: A Self-portrait from His Letters. Harvard University Press, 1971.