Cita APA (7a ed.)

McKenna, J. (2014). English result: Upper-intermediate workbook (4a ed.). University of oxford.

Cita Chicago Style (17a ed.)

McKenna, Joe. English Result: Upper-intermediate Workbook. 4a ed. Oxford: University of oxford, 2014.

Cita MLA (8a ed.)

McKenna, Joe. English Result: Upper-intermediate Workbook. 4a ed. University of oxford, 2014.