APA (7th ed.) Citation

Alsina, C., & Nelsen, R. B. (2010). Charming proofs: A journey into elegant mathematics. Mathematical Association of America.

Chicago Style (17th ed.) Citation

Alsina, Claudi, and Roger B. Nelsen. Charming Proofs: A Journey into Elegant Mathematics. Washington, D.C.: Mathematical Association of America, 2010.

MLA (9th ed.) Citation

Alsina, Claudi, and Roger B. Nelsen. Charming Proofs: A Journey into Elegant Mathematics. Mathematical Association of America, 2010.