APA (7th ed.) Citation

(2005). Duden, Wörterbuch neue Rechtschreibung: Was Duden empfiehlt.

Chicago Style (17th ed.) Citation

Duden, Wörterbuch Neue Rechtschreibung: Was Duden Empfiehlt. Mannheim, 2005.

MLA (9th ed.) Citation

Duden, Wörterbuch Neue Rechtschreibung: Was Duden Empfiehlt. 2005.

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