Cita APA (7a ed.)

Schwartz, R. L., Olson, E. W., & Christiansen, T. (1997). Learning Perl on Win32 systems. O'Reilly.

Cita Chicago Style (17a ed.)

Schwartz, Randal L., Erik W. Olson, y Tom Christiansen. Learning Perl on Win32 Systems. Beijing [etc.]: O'Reilly, 1997.

Cita MLA (9a ed.)

Schwartz, Randal L., et al. Learning Perl on Win32 Systems. O'Reilly, 1997.