Cita APA (7a ed.)

Urban, M. C., & Tiemann, B. (2003). Sams teach yourself FreeBSD in 24 hours (1st edition.). Sams Pub.

Cita Chicago Style (17a ed.)

Urban, Michael C., y Brian Tiemann. Sams Teach Yourself FreeBSD in 24 Hours. 1st edition. Indianapolis, IN: Sams Pub, 2003.

Cita MLA (9a ed.)

Urban, Michael C., y Brian Tiemann. Sams Teach Yourself FreeBSD in 24 Hours. 1st edition. Sams Pub, 2003.