APA (7th ed.) Citation

(1939). Erdmagnetische Jahrbücher. Springer.

Chicago Style (17th ed.) Citation

Erdmagnetische Jahrbücher. Berlin: Springer, 1939.

MLA (9th ed.) Citation

Erdmagnetische Jahrbücher. Springer, 1939.

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