APA (7th ed.) Citation

Humboldt, W. v. (1853). Sonette. [s.n.].

Chicago Style (17th ed.) Citation

Humboldt, Wilhelm von. Sonette. Berlin: [s.n.], 1853.

MLA (9th ed.) Citation

Humboldt, Wilhelm von. Sonette. [s.n.], 1853.

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