APA (7th ed.) Citation

Quigley, E. A. (2008). Perl by example (4th ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Quigley, Ellie Author. Perl by Example. 4th ed. [Place of publication not identified]: Prentice Hall, 2008.

MLA (9th ed.) Citation

Quigley, Ellie Author. Perl by Example. 4th ed. Prentice Hall, 2008.