APA (7th ed.) Citation

Friedl, J. E. F. (1998). Mastering regular expressions: Powerful techniques for Perl and other tools (7. print., minor corr.). O'Reilly.

Chicago Style (17th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions: Powerful Techniques for Perl and Other Tools. 7. print., minor corr. Beijing [u.a.]: O'Reilly, 1998.

MLA (9th ed.) Citation

Friedl, Jeffrey E. F. Mastering Regular Expressions: Powerful Techniques for Perl and Other Tools. 7. print., minor corr. O'Reilly, 1998.