APA (7th ed.) Citation

Christoffel, U. (1999). Berlin in Bildpostkarten. Vieth.

Chicago Style (17th ed.) Citation

Christoffel, Udo. Berlin in Bildpostkarten. Berlin: Vieth, 1999.

MLA (8th ed.) Citation

Christoffel, Udo. Berlin in Bildpostkarten. Vieth, 1999.

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