APA (7th ed.) Citation

(1956). 100 Jahre Humboldt: 1856 - 1956. Bachem.

Chicago Style (17th ed.) Citation

100 Jahre Humboldt: 1856 - 1956. Köln: Bachem, 1956.

MLA (9th ed.) Citation

100 Jahre Humboldt: 1856 - 1956. Bachem, 1956.

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