Cita APA (7th ed.)

Garfinkel, S. (1991). Practical UNIX security. O'Reilly and Associates.

Cita Chicago (17th ed.)

Garfinkel, Simson. Practical UNIX Security. Sebastopol, CA: O'Reilly and Associates, 1991.

Cita MLA (9th ed.)

Garfinkel, Simson. Practical UNIX Security. O'Reilly and Associates, 1991.