APA (7th ed.) Citation

Humboldt, W., & Richter, W. (1968). Wilhelm von Humboldts politische Briefe. Walter de Gruyter.

Chicago Style (17th ed.) Citation

Humboldt, Wilhelm, and Wilhelm Richter. Wilhelm Von Humboldts Politische Briefe. Berlin: Walter de Gruyter, 1968.

MLA (9th ed.) Citation

Humboldt, Wilhelm, and Wilhelm Richter. Wilhelm Von Humboldts Politische Briefe. Walter de Gruyter, 1968.

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