Cita APA (7a ed.)

Siever, E. (1999). Perl in a nutshell: A desktop quick reference. O'Reilly.

Cita Chicago Style (17a ed.)

Siever, Ellen. Perl in a Nutshell: A Desktop Quick Reference. Sebastopol, CA: O'Reilly, 1999.

Cita MLA (8a ed.)

Siever, Ellen. Perl in a Nutshell: A Desktop Quick Reference. O'Reilly, 1999.