APA (7th ed.) Citation

Friedl, J. E. F. (2006). Mastering regular expressions (Third edition.). O'Reilly.

Chicago Style (17th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions. Third edition. Sebastapol, CA: O'Reilly, 2006.

MLA (9th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions. Third edition. O'Reilly, 2006.