APA (7th ed.) Citation

Gieger, J., Williams, I., Schappert, P., & Williams, S. (2018). Work with English (1. Auflage.). Cornelsen.

Chicago Style (17th ed.) Citation

Gieger, Julia, Isobel Williams, Petra Schappert, and Steve Williams. Work with English. 1. Auflage. Berlin: Cornelsen, 2018.

MLA (9th ed.) Citation

Gieger, Julia, et al. Work with English. 1. Auflage. Cornelsen, 2018.