Galley, E. (1963). Heinrich Heine. Metzler.
Cita Chicago (17th ed.)Galley, Eberhard. Heinrich Heine. Stuttgart: Metzler, 1963.
Cita MLA (8th ed.)Galley, Eberhard. Heinrich Heine. Metzler, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.