APA (7th ed.) Citation
Sobell, M. G. (1989). <A> Practical Guide to the UNIX System (2. ed.). Benjamin/Cummings Pub. Co.
Chicago Style (17th ed.) Citation
Sobell, Mark G. <A> Practical Guide to the UNIX System. 2. ed. Redwood City: Benjamin/Cummings Pub. Co, 1989.
MLA (9th ed.) Citation
Sobell, Mark G. <A> Practical Guide to the UNIX System. 2. ed. Benjamin/Cummings Pub. Co, 1989.
Warning: These citations may not always be 100% accurate.