APA-viite (7. p.)
Jaspers, K. Nietzsche: An Introduction to the Understanding of His Philosophical Activity. Gateway : Henry Regnery.
Chicago-viite (17. p.)
Jaspers, Karl. Nietzsche: An Introduction to the Understanding of His Philosophical Activity. Chicago, EUA: Gateway : Henry Regnery.
MLA-viite (9. p.)
Jaspers, Karl. Nietzsche: An Introduction to the Understanding of His Philosophical Activity. Gateway : Henry Regnery.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.