APA (7th ed.) Citation

Friedl, J. E. F. (2006). Mastering regular expressions Jeffrey E.F. Friedl (3rd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions Jeffrey E.F. Friedl. 3rd ed. Beijing ; Farnham: O'Reilly, 2006.

MLA (9th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions Jeffrey E.F. Friedl. 3rd ed. O'Reilly, 2006.

Warning: These citations may not always be 100% accurate.