Cita APA (7a ed.)

Dent, K. D. (2004). Postfix: The definitive guide (First edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Dent, Kyle D. Postfix: The Definitive Guide. First edition. Sebastopol, California: O'Reilly, 2004.

Cita MLA (9a ed.)

Dent, Kyle D. Postfix: The Definitive Guide. First edition. O'Reilly, 2004.