APA (7th ed.) Citation

Geibel, E. (1846). Zwölf Sonette. [s.n.].

Chicago Style (17th ed.) Citation

Geibel, Emanuel. Zwölf Sonette. Lübeck: [s.n.], 1846.

MLA (9th ed.) Citation

Geibel, Emanuel. Zwölf Sonette. [s.n.], 1846.

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