Cita APA (7a ed.)

Keating, M., & Jones, J. B. (1985). Regions in the European Community. Clarendon [etc.].

Cita Chicago Style (17a ed.)

Keating, Michael, y J. Barry Jones. Regions in the European Community. Oxford [etc.]: Clarendon [etc.], 1985.

Cita MLA (9a ed.)

Keating, Michael, y J. Barry Jones. Regions in the European Community. Clarendon [etc.], 1985.