Cohn, D. S. (1993). The AutoCAD release 12 encyclopedia. Addison-Wesley.
Chicago Style (17th ed.) CitationCohn, David S. The AutoCAD Release 12 Encyclopedia. Reading Massachusetts: Addison-Wesley, 1993.
MLA (8th ed.) CitationCohn, David S. The AutoCAD Release 12 Encyclopedia. Addison-Wesley, 1993.
Warning: These citations may not always be 100% accurate.