APA (7th ed.) Citation

Sobell, M. G. (1995). A practical guide to the unix system (3rd edition.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Sobell, Mark G. A Practical Guide to the Unix System. 3rd edition. Massachusetts: Addison-Wesley, 1995.

MLA (8th ed.) Citation

Sobell, Mark G. A Practical Guide to the Unix System. 3rd edition. Addison-Wesley, 1995.