APA (7th ed.) Citation

Ording, P. (2019). 99 variations on a proof. Princeton University Press.

Chicago Style (17th ed.) Citation

Ording, Philip. 99 Variations on a Proof. Princeton, New Jersey: Princeton University Press, 2019.

MLA (8th ed.) Citation

Ording, Philip. 99 Variations on a Proof. Princeton University Press, 2019.