APA Citation

Wall, L., & Schwartz, R. L. (1991). Programming perl. USA: O'Reilly & Assocites.

Chicago Style Citation

Wall, Larry, and Randal L. Schwartz. Programming Perl. USA: O'Reilly & Assocites, 1991.

MLA Citation

Wall, Larry, and Randal L. Schwartz. Programming Perl. USA: O'Reilly & Assocites, 1991.

Warning: These citations may not always be 100% accurate.