Cita APA (7a ed.)

Duff, A., Pinder, J., & Pryce, R. (1994). Maastricht and beyond: Building the European Union. Routledge.

Cita Chicago Style (17a ed.)

Duff, Andrew, John Pinder, y Roy Pryce. Maastricht and Beyond: Building the European Union. London [etc.]: Routledge, 1994.

Cita MLA (9a ed.)

Duff, Andrew, et al. Maastricht and Beyond: Building the European Union. Routledge, 1994.