APA (7th ed.) Citation

Guelich, S., Gundavaram, S., & Birznieks, G. (2000). CGI programming with Perl (2nd ed., expanded & updated.). O'Reilly.

Chicago Style (17th ed.) Citation

Guelich, Scott, Shishir Gundavaram, and Gunther Birznieks. CGI Programming with Perl. 2nd ed., expanded & updated. Beijing ; Cambridge [Mass.]: O'Reilly, 2000.

MLA (9th ed.) Citation

Guelich, Scott, et al. CGI Programming with Perl. 2nd ed., expanded & updated. O'Reilly, 2000.