Cita APA

 Coppock, L. (2014).  Principles of maroeconomics.  Norton & Company, Inc.

Chicago Style Citation

 Coppock, Lee.  Principles of Maroeconomics.  Norton & Company, Inc, 2014.

Cita MLA

 Coppock, Lee.  Principles of Maroeconomics.  Norton & Company, Inc, 2014.