Cita APA (7th ed.)

Grier, D. A. (2005). When computers were human. Princeton University Press.

Cita Chicago (17th ed.)

Grier, David Alan. When Computers Were Human. Princeton: Princeton University Press, 2005.

Cita MLA (9th ed.)

Grier, David Alan. When Computers Were Human. Princeton University Press, 2005.