Cita APA (7a ed.)

Bretherton, C., & Vogler, J. (1999). The European Union as a global actor. Routledge.

Cita Chicago Style (17a ed.)

Bretherton, Charlotte, y John Vogler. The European Union as a Global Actor. London [etc.]: Routledge, 1999.

Cita MLA (9a ed.)

Bretherton, Charlotte, y John Vogler. The European Union as a Global Actor. Routledge, 1999.