APA (7th ed.) Citation

Hahn-Hahn, I. G. Levin. Duncker.

Chicago Style (17th ed.) Citation

Hahn-Hahn, Ida Gräfin. Levin. Berlin: Duncker.

MLA (8th ed.) Citation

Hahn-Hahn, Ida Gräfin. Levin. Duncker.

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