Cita APA (7a ed.)

Spence, D., & Edwards, G. (2006). The European Commission (3rd ed.). John Harper.

Cita Chicago Style (17a ed.)

Spence, David, y Geoffrey Edwards. The European Commission. 3rd ed. London: John Harper, 2006.

Cita MLA (9a ed.)

Spence, David, y Geoffrey Edwards. The European Commission. 3rd ed. John Harper, 2006.