APA (7th ed.) Citation

Beissinger, J., Pless, V., & Tsoupikova-Preuss, D. (2006). The cryptoclub: Using mathematics to make and break secret codes.

Chicago Style (17th ed.) Citation

Beissinger, Janet, Vera Pless, and Daria Tsoupikova-Preuss. The Cryptoclub: Using Mathematics to Make and Break Secret Codes. 2006.

MLA (9th ed.) Citation

Beissinger, Janet, et al. The Cryptoclub: Using Mathematics to Make and Break Secret Codes. 2006.