APA (7th ed.) Citation

Gertz, U. (1971). Das Hauptportal des Doms zu Speyer.

Chicago Style (17th ed.) Citation

Gertz, Ulrich. Das Hauptportal Des Doms Zu Speyer. 1971.

MLA (9th ed.) Citation

Gertz, Ulrich. Das Hauptportal Des Doms Zu Speyer. 1971.

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