Cita APA (7a ed.)

Safari Tech Books Online & Quigley, E. A. (2001). UNIX Shells by Example (3rd ed.). Prentice Hall PTR.

Cita Chicago Style (17a ed.)

Safari Tech Books Online y Ellie Author Quigley. UNIX Shells by Example. 3rd ed. [Place of publication not identified]: Prentice Hall PTR, 2001.

Cita MLA (9a ed.)

Safari Tech Books Online y Ellie Author Quigley. UNIX Shells by Example. 3rd ed. Prentice Hall PTR, 2001.