APA (7th ed.) Citation

Nietzsche, F. W., & Zimmern, H. (1909). Human, all too human: A book for free spirits. Foulis.

Chicago Style (17th ed.) Citation

Nietzsche, Friedrich Wilhelm, and Helen Zimmern. Human, All Too Human: A Book for Free Spirits. Edinburgh: Foulis, 1909.

MLA (9th ed.) Citation

Nietzsche, Friedrich Wilhelm, and Helen Zimmern. Human, All Too Human: A Book for Free Spirits. Foulis, 1909.