Cita APA (7a ed.)

Schwartz, R. L., Foy, B. D., & Phoenix, T. (2012). Intermediate Perl (Second edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Schwartz, Randal L., Brian D. Foy, y Tom Phoenix. Intermediate Perl. Second edition. Beijing ; Sebastopol, California: O'Reilly, 2012.

Cita MLA (9a ed.)

Schwartz, Randal L., et al. Intermediate Perl. Second edition. O'Reilly, 2012.