Cita APA (7a ed.)

Schwartz, R. L., & Phoenix, T. (2001). Learning Perl (3rd ed.). O'Reilly.

Cita Chicago Style (17a ed.)

Schwartz, Randal L., y Tom Phoenix. Learning Perl. 3rd ed. Sebastopol, California: O'Reilly, 2001.

Cita MLA (9a ed.)

Schwartz, Randal L., y Tom Phoenix. Learning Perl. 3rd ed. O'Reilly, 2001.