Cita APA (7a ed.)

Farrow, R. (1990). UNIX system security: How to protect your data and prevent intruders. Addison-Wesley.

Cita Chicago Style (17a ed.)

Farrow, Rik. UNIX System Security: How to Protect Your Data and Prevent Intruders. Reading, Massachusetts [etc.]: Addison-Wesley, 1990.

Cita MLA (9a ed.)

Farrow, Rik. UNIX System Security: How to Protect Your Data and Prevent Intruders. Addison-Wesley, 1990.