APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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