APA (7th ed.) Citation

Walter de Gruyter & Co. (2014). Sprachverfall? De Gruyter.

Chicago Style (17th ed.) Citation

Walter de Gruyter & Co. Sprachverfall? De Gruyter, 2014.

MLA (9th ed.) Citation

Walter de Gruyter & Co. Sprachverfall? De Gruyter, 2014.

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