APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.