APA Citation

 Mazur, G. A. (2011).  Introduction to programmable logic controllers.  American Technical Publishers.

Chicago Style Citation

 Mazur, Glen A.  Introduction to Programmable Logic Controllers.  American Technical Publishers, 2011.

MLA Citation

 Mazur, Glen A.  Introduction to Programmable Logic Controllers.  American Technical Publishers, 2011.

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