APA-referens (7:e uppl.)

Zimmern, H. (2000). Arthur Schopenhauer: His life and his philosophy. Batoche.

Chicago-referens (17:e uppl.)

Zimmern, Helen. Arthur Schopenhauer: His Life and His Philosophy. Kitchener, Ont.: Batoche, 2000.

MLA-referens (9:e uppl.)

Zimmern, Helen. Arthur Schopenhauer: His Life and His Philosophy. Batoche, 2000.