Cita APA (7a ed.)

Schwartz, R. L., & Phoenix, T. (2003). Learning Perl objects, references, and modules. O'Reilly.

Cita Chicago Style (17a ed.)

Schwartz, Randal L., y Tom Phoenix. Learning Perl Objects, References, and Modules. Sebastopol, California: O'Reilly, 2003.

Cita MLA (9a ed.)

Schwartz, Randal L., y Tom Phoenix. Learning Perl Objects, References, and Modules. O'Reilly, 2003.