APA (7th ed.) Citation

Sobell Mark G. (1985). A practical guide to UNIX System V. Benjamin/Cummings.

Chicago Style (17th ed.) Citation

Sobell Mark G. A Practical Guide to UNIX System V. Benjamin/Cummings, 1985.

MLA (8th ed.) Citation

Sobell Mark G. A Practical Guide to UNIX System V. Benjamin/Cummings, 1985.

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