APA (7th ed.) Citation

Schwartz, R. L., Foy, B. D., & Phoenix, T. (2006). Intermediate Perl (2nd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Schwartz, Randal L., Brian D. Foy, and Tom Phoenix. Intermediate Perl. 2nd ed. Beijing ; Sebastopol, CA: O'Reilly, 2006.

MLA (8th ed.) Citation

Schwartz, Randal L., et al. Intermediate Perl. 2nd ed. O'Reilly, 2006.