Cita APA (7a ed.)

Teuscher, C., & Hofstadter, D. R. (2004). Alan Turing: Life and legacy of a great thinker. Springer.

Cita Chicago Style (17a ed.)

Teuscher, Christof, y Douglas R. Hofstadter. Alan Turing: Life and Legacy of a Great Thinker. Berlin [etc.]: Springer, 2004.

Cita MLA (9a ed.)

Teuscher, Christof, y Douglas R. Hofstadter. Alan Turing: Life and Legacy of a Great Thinker. Springer, 2004.