APA (7th ed.) Citation

Cooper, S. B., & Leeuwen, J. v. (2012). Alan Turing: His Work and Impact.

Chicago Style (17th ed.) Citation

Cooper, S. Barry, and J. van Leeuwen. Alan Turing: His Work and Impact. 2012.

MLA (9th ed.) Citation

Cooper, S. Barry, and J. van Leeuwen. Alan Turing: His Work and Impact. 2012.

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