APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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