APA (7th ed.) Citation

Frisch, A. (1999). Essential system administration: [help for UNIX system administrators] (2. ed., rev. & updated, [Nachdr.].). O'Reilly.

Chicago Style (17th ed.) Citation

Frisch, Aeleen. Essential System Administration: [help for UNIX System Administrators]. 2. ed., rev. & updated, [Nachdr.]. Beijing [u.a.]: O'Reilly, 1999.

MLA (9th ed.) Citation

Frisch, Aeleen. Essential System Administration: [help for UNIX System Administrators]. 2. ed., rev. & updated, [Nachdr.]. O'Reilly, 1999.