APA (7th ed.) Citation

Schwartz, R. L., foy, b. d., & Phoenix, T. (2009). Intermediate Perl (1st edition.). O'Reilly Media.

Chicago Style (17th ed.) Citation

Schwartz, Randal L., brian d. foy, and Tom Phoenix. Intermediate Perl. 1st edition. Sebastopol: O'Reilly Media, 2009.

MLA (9th ed.) Citation

Schwartz, Randal L., et al. Intermediate Perl. 1st edition. O'Reilly Media, 2009.