APA (7th ed.) Citation

(1993). UNIX for dummies / by John R. Levine and Margaret Levine Young.

Chicago Style (17th ed.) Citation

UNIX for Dummies / by John R. Levine and Margaret Levine Young. 1993.

MLA (9th ed.) Citation

UNIX for Dummies / by John R. Levine and Margaret Levine Young. 1993.

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