APA (7th ed.) Citation

Harrison, M., & Brighton, A. (1997). TcL/TK tools. O'Reilly.

Chicago Style (17th ed.) Citation

Harrison, Mark, and Allan Brighton. TcL/TK Tools. Cambridge: O'Reilly, 1997.

MLA (9th ed.) Citation

Harrison, Mark, and Allan Brighton. TcL/TK Tools. O'Reilly, 1997.