APA (7th ed.) Citation

Gardiner, T., & Borovik, A. (2019). The Essence of Mathematics Through Elementary Problems. Open Book Publishers.

Chicago Style (17th ed.) Citation

Gardiner, Tony, and Alexandre Borovik. The Essence of Mathematics Through Elementary Problems. Open Book Publishers, 2019.

MLA (9th ed.) Citation

Gardiner, Tony, and Alexandre Borovik. The Essence of Mathematics Through Elementary Problems. Open Book Publishers, 2019.

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