APA (7th ed.) Citation

Farrow, R. (1991). Unix system security: How to protect your data and prevent intruders. Addison-Wesley.

Chicago Style (17th ed.) Citation

Farrow, Rik. Unix System Security: How to Protect Your Data and Prevent Intruders. Massachusetts: Addison-Wesley, 1991.

MLA (9th ed.) Citation

Farrow, Rik. Unix System Security: How to Protect Your Data and Prevent Intruders. Addison-Wesley, 1991.

Warning: These citations may not always be 100% accurate.