Cita APA (7a ed.)

Harrison, M. (1997). TCL-TK tools. O'Reilly.

Cita Chicago Style (17a ed.)

Harrison, Mark. TCL-TK Tools. Cambridge [etc.]: O'Reilly, 1997.

Cita MLA (9a ed.)

Harrison, Mark. TCL-TK Tools. O'Reilly, 1997.