Cita APA (7th ed.)

Heine, H., Eisner, F. H., & Christa Stöcker. (1976). Briefe (o.A.).

Cita Chicago (17th ed.)

Heine, Heinrich, Fritz H. Eisner, i Christa Stöcker. Briefe. o.A. 1976.

Cita MLA (8th ed.)

Heine, Heinrich, et al. Briefe. o.A. 1976.