APA (7th ed.) Citation

Knaack, U. (2014). Façades (2. and revised ed.). De Gruyter. https://doi.org/10.1515/9783038211457

Chicago Style (17th ed.) Citation

Knaack, Ulrich. Façades. 2. and revised ed. Basel: De Gruyter, 2014. https://doi.org/10.1515/9783038211457.

MLA (9th ed.) Citation

Knaack, Ulrich. Façades. 2. and revised ed. De Gruyter, 2014. https://doi.org/10.1515/9783038211457.