Style de citation APA (7e éd.)

Cortada, J. W. (1993). Before the Computer: IBM, NCR, Burroughs, and Remington Rand and the Industry They Created, 1865-1956. Princeton University Press.

Style de citation Chicago (17e éd.)

Cortada, James W. Before the Computer: IBM, NCR, Burroughs, and Remington Rand and the Industry They Created, 1865-1956. Princeton, New Jersey: Princeton University Press, 1993.

Style de citation MLA (8e éd.)

Cortada, James W. Before the Computer: IBM, NCR, Burroughs, and Remington Rand and the Industry They Created, 1865-1956. Princeton University Press, 1993.