MLA

Jahnke, and Lisa Hefendehl-Hebeker. Traditions In German-speaking Mathematics Education Research. Springer International Publishing, 2019.

APA

Jahnke, J., & Hefendehl-Hebeker, L. (2019). Traditions in German-Speaking Mathematics Education Research. Springer International Publishing.

Chicago

Jahnke, and Lisa Hefendehl-Hebeker. Traditions In German-Speaking Mathematics Education Research. : Springer International Publishing, 2019.