APA (7th ed.) Citation

Illingworth, V. (1991). Dictionary of computing (3rd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Illingworth, Valerie. Dictionary of Computing. 3rd ed. Oxford: Oxford University Press, 1991.

MLA (9th ed.) Citation

Illingworth, Valerie. Dictionary of Computing. 3rd ed. Oxford University Press, 1991.