Cita APA (7a ed.)

Schwartz, R. L., Foy, B. D., & Phoenix, T. (2011). Learning Perl (6th ed.). O'Reilly Media, Inc.

Cita Chicago Style (17a ed.)

Schwartz, Randal L., Brian D. Foy, y Tom Phoenix. Learning Perl. 6th ed. Beijing ; Sebastopol, California: O'Reilly Media, Inc, 2011.

Cita MLA (9a ed.)

Schwartz, Randal L., et al. Learning Perl. 6th ed. O'Reilly Media, Inc, 2011.