Cita APA

 Leach, J. A. (2006).  AutoCAD 2006 instructor: A student guide to complete coverage of AutoCAD''s commands and features.  McGraw-Hill.

Chicago Style Citation

 Leach, James A.  AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD''s Commands and Features.  McGraw-Hill, 2006.

Cita MLA

 Leach, James A.  AutoCAD 2006 Instructor: A Student Guide to Complete Coverage of AutoCAD''s Commands and Features.  McGraw-Hill, 2006.