Cita APA (7th ed.)

Christian, K. (1988). The UNIX command reference guide. John Wiley & Sons.

Cita Chicago (17th ed.)

Christian, Kaare. The UNIX Command Reference Guide. New York: John Wiley & Sons, 1988.

Cita MLA (9th ed.)

Christian, Kaare. The UNIX Command Reference Guide. John Wiley & Sons, 1988.