APA (7th ed.) Citation

Humboldt, W. v., & Mattson, P. (2014). Briefe. de Gruyter.

Chicago Style (17th ed.) Citation

Humboldt, Wilhelm von, and Philip Mattson. Briefe. Berlin, Germany: de Gruyter, 2014.

MLA (9th ed.) Citation

Humboldt, Wilhelm von, and Philip Mattson. Briefe. de Gruyter, 2014.

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