APA Citation

 Buttazzo, G. C. (2011).  Hard real-time computing systems: Predictable scheduling algorithms and applications.  Springer.

Chicago Style Citation

 Buttazzo, Giorgio C.  Hard Real-time Computing Systems: Predictable Scheduling Algorithms and Applications.  Springer, 2011.

MLA Citation

 Buttazzo, Giorgio C.  Hard Real-time Computing Systems: Predictable Scheduling Algorithms and Applications.  Springer, 2011.

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