APA (7th ed.) Citation

(1957). Die Portlandvase. Röm.-German. Zentralmuseum.

Chicago Style (17th ed.) Citation

Die Portlandvase. Mainz: Röm.-German. Zentralmuseum, 1957.

MLA (9th ed.) Citation

Die Portlandvase. Röm.-German. Zentralmuseum, 1957.

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