APA (7th ed.) Citation

Smoryński, C. (2020). Mathematical Problems: An Essay on Their Nature and Importance (1st ed. 2020.). Springer International Publishing. https://doi.org/10.1007/978-3-030-50917-0

Chicago Style (17th ed.) Citation

Smoryński, Craig. Mathematical Problems: An Essay on Their Nature and Importance. 1st ed. 2020. Cham: Springer International Publishing, 2020. https://doi.org/10.1007/978-3-030-50917-0.

MLA (9th ed.) Citation

Smoryński, Craig. Mathematical Problems: An Essay on Their Nature and Importance. 1st ed. 2020. Springer International Publishing, 2020. https://doi.org/10.1007/978-3-030-50917-0.