Cita APA (7a ed.)

European Consortium for Political Research, Heidar, K., & Koole, R. A. (2000). Parliamentary party groups in European democracies: Political parties behind closed doors. Routledge.

Cita Chicago Style (17a ed.)

European Consortium for Political Research, Knut Heidar, y R. A. Koole. Parliamentary Party Groups in European Democracies: Political Parties Behind Closed Doors. London [etc.]: Routledge, 2000.

Cita MLA (9a ed.)

European Consortium for Political Research, et al. Parliamentary Party Groups in European Democracies: Political Parties Behind Closed Doors. Routledge, 2000.