Cita APA (7a ed.)

Christiansen, T., & Torkington, N. (1998). Perl Cookbook. O'Reilly.

Cita Chicago Style (17a ed.)

Christiansen, Tom, y Nathan Torkington. Perl Cookbook. Beijing: O'Reilly, 1998.

Cita MLA (9a ed.)

Christiansen, Tom, y Nathan Torkington. Perl Cookbook. O'Reilly, 1998.