Cita APA (7a ed.)

Smith, M., & Rees, W. (2008). International relations of the European Union. Sage.

Cita Chicago Style (17a ed.)

Smith, Michael, y Wyn Rees. International Relations of the European Union. Los Angeles [etc.]: Sage, 2008.

Cita MLA (9a ed.)

Smith, Michael, y Wyn Rees. International Relations of the European Union. Sage, 2008.