Cita APA (7a ed.)

Hazel, P. (2001). Exim: The mail transfer agent (1st edition.). O'Reilly.

Cita Chicago Style (17a ed.)

Hazel, Philip. Exim: The Mail Transfer Agent. 1st edition. Sebastopol, California: O'Reilly, 2001.

Cita MLA (9a ed.)

Hazel, Philip. Exim: The Mail Transfer Agent. 1st edition. O'Reilly, 2001.