Cita APA (7th ed.)

Gauthier, R. L. (1981). Using the UNIX system. Reston Pub. Co..

Cita Chicago (17th ed.)

Gauthier, Richard L. Using the UNIX System. Reston, Va.: Reston Pub. Co., 1981.

Cita MLA (8th ed.)

Gauthier, Richard L. Using the UNIX System. Reston Pub. Co., 1981.