APA Citation

 Barnes, M. (2003).  Practical variable speed drives and power electronics.  Newnes.

Chicago Style Citation

 Barnes, Malcolm.  Practical Variable Speed Drives and Power Electronics.  Newnes, 2003.

MLA Citation

 Barnes, Malcolm.  Practical Variable Speed Drives and Power Electronics.  Newnes, 2003.

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