APA (7th ed.) Citation

(1985). Romanische Kirchen in Köln = Romanesque churches in Cologne = Eglises romanes à Cologne. Stadt.

Chicago Style (17th ed.) Citation

Romanische Kirchen in Köln = Romanesque Churches in Cologne = Eglises Romanes à Cologne. Köln: Stadt, 1985.

MLA (9th ed.) Citation

Romanische Kirchen in Köln = Romanesque Churches in Cologne = Eglises Romanes à Cologne. Stadt, 1985.

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