Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

Duff, Andrew, John Pinder, e Roy Pryce. Maastricht and Beyond: Building the European Union. London: Routledge, 1994.

Citatione MLA (9a ed.)

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