Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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