Lenz, M. (1920). Von Luther zu Bismarck. Oldenbourg.
Cita Chicago (17th ed.)Lenz, Max. Von Luther Zu Bismarck. München: Oldenbourg, 1920.
Cita MLA (8th ed.)Lenz, Max. Von Luther Zu Bismarck. Oldenbourg, 1920.
Atenció: Aquestes cites poden no estar 100% correctes.