APA (7th ed.) Citation

Costales, B., & Allman, E. (2002). Sendmail: [building, installing and administring sendmail] (3. ed., rev. and updated.). O'Reilly.

Chicago Style (17th ed.) Citation

Costales, Bryan, and Eric Allman. Sendmail: [building, Installing and Administring Sendmail]. 3. ed., rev. and updated. Beijing ; Cambridge ; Köln ; Paris ; Sebastopol ; Taipei ; Tokyo: O'Reilly, 2002.

MLA (9th ed.) Citation

Costales, Bryan, and Eric Allman. Sendmail: [building, Installing and Administring Sendmail]. 3. ed., rev. and updated. O'Reilly, 2002.