Cita APA (7th ed.)

Cuthbertson, T. (1991). The ABC's of SCO UNIX. SYBEX.

Cita Chicago (17th ed.)

Cuthbertson, Tom. The ABC's of SCO UNIX. San Francisco: SYBEX, 1991.

Cita MLA (8th ed.)

Cuthbertson, Tom. The ABC's of SCO UNIX. SYBEX, 1991.