Cita APA (7a ed.)

Christiansen, T., & Torkington, N. (2003). Perl cookbook (2nd ed.). O'Reilly.

Cita Chicago Style (17a ed.)

Christiansen, Tom, y Nathan Torkington. Perl Cookbook. 2nd ed. Sebastopol, CA: O'Reilly, 2003.

Cita MLA (8a ed.)

Christiansen, Tom, y Nathan Torkington. Perl Cookbook. 2nd ed. O'Reilly, 2003.