APA (7th ed.) Citation

Gila Hanna & Christine Knipping. (2020). Proof in Mathematics Education, 1980-2020: An Overview. Korea Society of Educational Studies in Mathematics.

Chicago Style (17th ed.) Citation

Gila Hanna and Christine Knipping. Proof in Mathematics Education, 1980-2020: An Overview. Korea Society of Educational Studies in Mathematics, 2020.

MLA (9th ed.) Citation

Gila Hanna and Christine Knipping. Proof in Mathematics Education, 1980-2020: An Overview. Korea Society of Educational Studies in Mathematics, 2020.