APA Citation

 Walker, J. R. (2019).  Restaurant concepts, management, and operations.  Wiley.

Chicago Style Citation

 Walker, John R.  Restaurant Concepts, Management, and Operations.  Wiley, 2019.

MLA Citation

 Walker, John R.  Restaurant Concepts, Management, and Operations.  Wiley, 2019.

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