APA (7th ed.) Citation

(1980). Der Kölner Domschatz. Greven.

Chicago Style (17th ed.) Citation

Der Kölner Domschatz. Köln: Greven, 1980.

MLA (9th ed.) Citation

Der Kölner Domschatz. Greven, 1980.

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