Cita APA (7a ed.)

Ribeiro Hoffmann, A., & Vleuten, J. M. v. d. (2007). Closing or widening the gap?: Legitimacy and democracy in regional international organizations. Ashgate.

Cita Chicago Style (17a ed.)

Ribeiro Hoffmann, Andrea, y Johanna Maria van der Vleuten. Closing or Widening the Gap?: Legitimacy and Democracy in Regional International Organizations. Aldershot: Ashgate, 2007.

Cita MLA (9a ed.)

Ribeiro Hoffmann, Andrea, y Johanna Maria van der Vleuten. Closing or Widening the Gap?: Legitimacy and Democracy in Regional International Organizations. Ashgate, 2007.