Cita APA (7a ed.)

Orwant, J., & Orwant, J. (2003). Web, graphics, and Perl/TK: Best of the Perl journal (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Orwant, Jon, y Jon Orwant. Web, Graphics, and Perl/TK: Best of the Perl Journal. First edition. Beijing ; Cambridge, Massachusetts: O'Reilly, 2003.

Cita MLA (9a ed.)

Orwant, Jon, y Jon Orwant. Web, Graphics, and Perl/TK: Best of the Perl Journal. First edition. O'Reilly, 2003.