APA (7th ed.) Citation

Unkel, K. (1882). Berthold von Regensburg. Bachem.

Chicago Style (17th ed.) Citation

Unkel, Karl. Berthold Von Regensburg. Köln: Bachem, 1882.

MLA (9th ed.) Citation

Unkel, Karl. Berthold Von Regensburg. Bachem, 1882.

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