APA (7th ed.) Citation
Hildebrandt, R. (2005). Absolute postfix: Patches are for Qmail. No Starch Press.
Chicago Style (17th ed.) Citation
Hildebrandt, Ralf. Absolute Postfix: Patches Are for Qmail. San Francisco: No Starch Press, 2005.
MLA (9th ed.) Citation
Hildebrandt, Ralf. Absolute Postfix: Patches Are for Qmail. No Starch Press, 2005.
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