APA (7th ed.) Citation

Glover, M., Humphreys, A., & Weiss, E. (1996). Perl 5 how-to. Waite Group Press.

Chicago Style (17th ed.) Citation

Glover, Mike, Aidan Humphreys, and Ed Weiss. Perl 5 How-to. Corte Madera, Calif: Waite Group Press, 1996.

MLA (9th ed.) Citation

Glover, Mike, et al. Perl 5 How-to. Waite Group Press, 1996.