APA (7th ed.) Citation

Iannone, P., Ayalon, M., Beck, J., Hodgen, J., & Morselli, F. (2019). Introduction to the papers of TWG21: Assessment in mathematics education.

Chicago Style (17th ed.) Citation

Iannone, Paola, Michal Ayalon, Johannes Beck, Jeremy Hodgen, and Francesca Morselli. Introduction to the Papers of TWG21: Assessment in Mathematics Education. 2019.

MLA (9th ed.) Citation

Iannone, Paola, et al. Introduction to the Papers of TWG21: Assessment in Mathematics Education. 2019.

Warning: These citations may not always be 100% accurate.