APA Edition Citation

Schwartz, R. L., Olson, E., & Christiansen, T. (1997). Learning Perl on Win32 systems / Randal L. Schwartz, Erik Olson, and Tom Christiansen. O'Reilly.

Chicago Edition Citation

Schwartz, Randal L., Erik Olson, and Tom Christiansen. Learning Perl on Win32 Systems / Randal L. Schwartz, Erik Olson, and Tom Christiansen. Cambridge: O'Reilly, 1997.

MLA Edition Citation

Schwartz, Randal L., et al. Learning Perl on Win32 Systems / Randal L. Schwartz, Erik Olson, and Tom Christiansen. O'Reilly, 1997.