APA Citation

 Omura, G. (2005).  Mastering AutoCAD 2006 and AutoCAD LT 2006.  Sybex.

Chicago Style Citation

 Omura, George.  Mastering AutoCAD 2006 and AutoCAD LT 2006.  Sybex, 2005.

MLA Citation

 Omura, George.  Mastering AutoCAD 2006 and AutoCAD LT 2006.  Sybex, 2005.

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