APA (7th ed.) Citation

Sill, D. (2002). The qmail handbook. Apress.

Chicago Style (17th ed.) Citation

Sill, Dave. The Qmail Handbook. Berkeley, Calif.: Apress, 2002.

MLA (9th ed.) Citation

Sill, Dave. The Qmail Handbook. Apress, 2002.

Warning: These citations may not always be 100% accurate.