Cita APA (7a ed.)

Leigh, M., & Praag, N. v. (1978). Nine EEC attitudes to enlargement. University of Sussex, Sussex European Research Centre.

Cita Chicago Style (17a ed.)

Leigh, Michael, y Nicholas van Praag. Nine EEC Attitudes to Enlargement. Brighton: University of Sussex, Sussex European Research Centre, 1978.

Cita MLA (9a ed.)

Leigh, Michael, y Nicholas van Praag. Nine EEC Attitudes to Enlargement. University of Sussex, Sussex European Research Centre, 1978.