APA (7th ed.) Citation

Harrison, M., & McLennan, M. (1998). Effective Tcl/Tk programming: Writing better programs with Tcl and Tk.

Chicago Style (17th ed.) Citation

Harrison, Mark, and Michael McLennan. Effective Tcl/Tk Programming: Writing Better Programs with Tcl and Tk. Reading, Mass., Addison-Wesley, 1998.

MLA (9th ed.) Citation

Harrison, Mark, and Michael McLennan. Effective Tcl/Tk Programming: Writing Better Programs with Tcl and Tk. 1998.