Cita APA (7th ed.)

Daffis, H. (1907). Heine-Briefe. Pan-Verl..

Cita Chicago (17th ed.)

Daffis, Hans. Heine-Briefe. Berlin: Pan-Verl., 1907.

Cita MLA (8th ed.)

Daffis, Hans. Heine-Briefe. Pan-Verl., 1907.