APA (7th ed.) Citation

Clukey, L. P. (1985). UNIX & XENIX demystified. Tab Books.

Chicago Style (17th ed.) Citation

Clukey, Lee Paul. UNIX & XENIX Demystified. Blue Ridge Summit, PA: Tab Books, 1985.

MLA (8th ed.) Citation

Clukey, Lee Paul. UNIX & XENIX Demystified. Tab Books, 1985.

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