APA (7th ed.) Citation

(1953). Humboldt-Taschenbuch. Humboldt.

Chicago Style (17th ed.) Citation

Humboldt-Taschenbuch. Hannover: Humboldt, 1953.

MLA (8th ed.) Citation

Humboldt-Taschenbuch. Humboldt, 1953.

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