Cita APA

 Leach, J. A. (2007).  Autocad 2007 instructor: A student guide to complete coverage of autocad’s commands and features.  McGraw-Hill Companies.

Chicago Style Citation

 Leach, James A.  Autocad 2007 Instructor: A Student Guide to Complete Coverage of Autocad’s Commands and Features.  McGraw-Hill Companies, 2007.

Cita MLA

 Leach, James A.  Autocad 2007 Instructor: A Student Guide to Complete Coverage of Autocad’s Commands and Features.  McGraw-Hill Companies, 2007.