APA (7th ed.) Citation

Hazel, P. (2007). The Exim SMTP mail server: Official guide to release 4 (2nd ed.). UIT Cambridge.

Chicago Style (17th ed.) Citation

Hazel, Philip. The Exim SMTP Mail Server: Official Guide to Release 4. 2nd ed. Cambridge: UIT Cambridge, 2007.

MLA (9th ed.) Citation

Hazel, Philip. The Exim SMTP Mail Server: Official Guide to Release 4. 2nd ed. UIT Cambridge, 2007.