Cita APA (7a ed.)

Keller, L. S. (1988). Operating systems: : communicating with and controlling the computer. Prentice-Hall.

Cita Chicago Style (17a ed.)

Keller, Laurie S. Operating Systems: : Communicating with and Controlling the Computer. New York [etc.]: Prentice-Hall, 1988.

Cita MLA (9a ed.)

Keller, Laurie S. Operating Systems: : Communicating with and Controlling the Computer. Prentice-Hall, 1988.