Cita APA

 Guell, R. C. (2010).  Issues in economics today.  McGraw-Hill/Irwin.

Chicago Style Citation

 Guell, Robert C.  Issues in Economics Today.  McGraw-Hill/Irwin, 2010.

Cita MLA

 Guell, Robert C.  Issues in Economics Today.  McGraw-Hill/Irwin, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.