Cita APA (7a ed.)

Coombs, M. J., & Alty, J. L. (1981). Computing skills and the user interface. Academic Press.

Cita Chicago Style (17a ed.)

Coombs, M. J., y James L. Alty. Computing Skills and the User Interface. London [etc.]: Academic Press, 1981.

Cita MLA (9a ed.)

Coombs, M. J., y James L. Alty. Computing Skills and the User Interface. Academic Press, 1981.