APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Schwartz, Randal L., and Tom Phoenix. Learning Perl. 3a. ed. Beijing: O'Reilly, 2001.

MLA (9th ed.) Citation

Schwartz, Randal L., and Tom Phoenix. Learning Perl. 3a. ed. O'Reilly, 2001.