APA (7th ed.) Citation

Plewnia, A., & Witt, A. (2014). Sprachverfall?: Dynamik - Wandel - Variation. De Gruyter.

Chicago Style (17th ed.) Citation

Plewnia, Albrecht, and Andreas Witt. Sprachverfall?: Dynamik - Wandel - Variation. Berlin/Boston: De Gruyter, 2014.

MLA (9th ed.) Citation

Plewnia, Albrecht, and Andreas Witt. Sprachverfall?: Dynamik - Wandel - Variation. De Gruyter, 2014.

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