APA (7th ed.) Citation

(2003). Proofs that really count: The art of combinatorial proof / Arthur T. Benjamin and Jennifer J. Quinn.

Chicago Style (17th ed.) Citation

Proofs That Really Count: The Art of Combinatorial Proof / Arthur T. Benjamin and Jennifer J. Quinn. 2003.

MLA (9th ed.) Citation

Proofs That Really Count: The Art of Combinatorial Proof / Arthur T. Benjamin and Jennifer J. Quinn. 2003.

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