Cita APA (7a ed.)

Haycox, I. (2009). Linux e-mail: Set up, maintain, and secure a small office e-mail server (2nd ed.). Packt.

Cita Chicago Style (17a ed.)

Haycox, Ian. Linux E-mail: Set Up, Maintain, and Secure a Small Office E-mail Server. 2nd ed. Birmingham, U.K.: Packt, 2009.

Cita MLA (8a ed.)

Haycox, Ian. Linux E-mail: Set Up, Maintain, and Secure a Small Office E-mail Server. 2nd ed. Packt, 2009.