APA (7th ed.) Citation

Duden, K. (2005). Konrad Dudens orthographische Schriften. Olms.

Chicago Style (17th ed.) Citation

Duden, Konrad. Konrad Dudens Orthographische Schriften. Hildesheim: Olms, 2005.

MLA (9th ed.) Citation

Duden, Konrad. Konrad Dudens Orthographische Schriften. Olms, 2005.

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