APA (7th ed.) Citation

Schwartz Randal L., Phoenix Tom, & Foy Brian D. (2005). Learning Perl (4th ed.). O'Reilly.

Chicago Style (17th ed.) Citation

Schwartz Randal L., Phoenix Tom, and Foy Brian D. Learning Perl. 4th ed. O'Reilly, 2005.

MLA (8th ed.) Citation

Schwartz Randal L., et al. Learning Perl. 4th ed. O'Reilly, 2005.