American Telephone and Telegraph Company. (1990). UNIX System V release 4: Programmer's guide : X11/NeWS graphical windowing system server guide. Prentice-Hall.
Chicago Style (17th ed.) CitationAmerican Telephone and Telegraph Company. UNIX System V Release 4: Programmer's Guide : X11/NeWS Graphical Windowing System Server Guide. Englewood Cliffs, N.J.: Prentice-Hall, 1990.
MLA (9th ed.) CitationAmerican Telephone and Telegraph Company. UNIX System V Release 4: Programmer's Guide : X11/NeWS Graphical Windowing System Server Guide. Prentice-Hall, 1990.
Warning: These citations may not always be 100% accurate.