APA (7th ed.) Citation

Sobell, M. G. (1994). Unix system V: A practical guide (3rd ed.). Benjamin/Cummings.

Chicago Style (17th ed.) Citation

Sobell, Mark G. Unix System V: A Practical Guide. 3rd ed. Redwood City, California: Benjamin/Cummings, 1994.

MLA (9th ed.) Citation

Sobell, Mark G. Unix System V: A Practical Guide. 3rd ed. Benjamin/Cummings, 1994.