APA (7th ed.) Citation

O'Shea, O., & Dudley, U. (2007). The magic numbers of the professor. The Mathematical Association of America.

Chicago Style (17th ed.) Citation

O'Shea, Owen, and Underwood Dudley. The Magic Numbers of the Professor. [Washington, D.C.]: The Mathematical Association of America, 2007.

MLA (9th ed.) Citation

O'Shea, Owen, and Underwood Dudley. The Magic Numbers of the Professor. The Mathematical Association of America, 2007.