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. 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.