APA (7th ed.) Citation

Wall, L., Christiansen, T., Potter, S., & Schwartz, R. L. (1996). Programming Perl (2nd ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Wall, Larry, Tom Christiansen, Stephen Potter, and Randal L. Schwartz. Programming Perl. 2nd ed. Cambridge: O'Reilly, 1996.

MLA (8th ed.) Citation

Wall, Larry, et al. Programming Perl. 2nd ed. O'Reilly, 1996.