Citazione Stile APA (7a Edizione)

Barker, E. (1914). Nietzsche and Treitschke: The worship of power in modern Germany. O.U.P..

Citazione stile Chigago Style (17a edizione)

Barker, Ernest. Nietzsche and Treitschke: The Worship of Power in Modern Germany. Lond.: O.U.P., 1914.

Citatione MLA (8a ed.)

Barker, Ernest. Nietzsche and Treitschke: The Worship of Power in Modern Germany. O.U.P., 1914.