APA-viite

Cooper, S. B., & Leeuwen, J. v. (2013). Alan Turing: His work and impact. Elsevier.

Chicago-tyylinen lähdeviittaus

Cooper, S. B., ja J. van Leeuwen. Alan Turing: His Work and Impact. Waltham, MA : Kidlington, Oxford: Elsevier, 2013.

MLA-viite

Cooper, S. B., ja J. van Leeuwen. Alan Turing: His Work and Impact. Elsevier, 2013.