Cita APA (7a ed.)

O'Brien, J. A. (1993). The nature of computers. Dryden.

Cita Chicago Style (17a ed.)

O'Brien, James A. The Nature of Computers. Philadelphia: Dryden, 1993.

Cita MLA (9a ed.)

O'Brien, James A. The Nature of Computers. Dryden, 1993.