APA (7th ed.) Citation

Dudenverlag. (1989). Duden Deutsches Universalworterbuch (2nd ed.). Dudenverlag.

Chicago Style (17th ed.) Citation

Dudenverlag. Duden Deutsches Universalworterbuch. 2nd ed. Mannheim: Dudenverlag, 1989.

MLA (8th ed.) Citation

Dudenverlag. Duden Deutsches Universalworterbuch. 2nd ed. Dudenverlag, 1989.

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