APA (7th ed.) Citation

Humboldt, W., & Leitzmann, A. (1903). Wilhelm von Humboldts Werke. Behr.

Chicago Style (17th ed.) Citation

Humboldt, Wilhelm, and Albert Leitzmann. Wilhelm Von Humboldts Werke. Berlin: Behr, 1903.

MLA (8th ed.) Citation

Humboldt, Wilhelm, and Albert Leitzmann. Wilhelm Von Humboldts Werke. Behr, 1903.

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