Cunliffe-Owen, M. (1904). Imperator et rex, William II. of Germany. Harper & brothers.
Cita Chicago (17th ed.)Cunliffe-Owen, Marguerite. Imperator Et Rex, William II. of Germany. New York and London: Harper & brothers, 1904.
Cita MLA (8th ed.)Cunliffe-Owen, Marguerite. Imperator Et Rex, William II. of Germany. Harper & brothers, 1904.
Atenció: Aquestes cites poden no estar 100% correctes.