APA (7th ed.) Citation

Grassmann, Marianne, Nitsch, Bianca, Mirwald, Elke, & Eichler, Klaus-Peter. (2019). Mathematikunterricht (4th ed.). wbv Publikation.

Chicago Style (17th ed.) Citation

Grassmann, Marianne, Nitsch, Bianca, Mirwald, Elke, and Eichler, Klaus-Peter. Mathematikunterricht. 4th ed. Bielefeld: wbv Publikation, 2019.

MLA (9th ed.) Citation

Grassmann, Marianne, et al. Mathematikunterricht. 4th ed. wbv Publikation, 2019.