APA (7th ed.) Citation

Zilkens, U. (2000). Zwölf Préludes. Tonger.

Chicago Style (17th ed.) Citation

Zilkens, Udo. Zwölf Préludes. Köln-Rodenkirchen: Tonger, 2000.

MLA (9th ed.) Citation

Zilkens, Udo. Zwölf Préludes. Tonger, 2000.

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