APA (7th ed.) Citation

Friedl, J. E. (2002). Mastering regular expressions (2rd. ed.). O'Peilly.

Chicago Style (17th ed.) Citation

Friedl, Jeffrey E. Mastering Regular Expressions. 2rd. ed. Beijing: O'Peilly, 2002.

MLA (8th ed.) Citation

Friedl, Jeffrey E. Mastering Regular Expressions. 2rd. ed. O'Peilly, 2002.

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