Cita APA (7a ed.)

Ritson, C., & Harvey, D. (1997). The common agricultural policy (2nd ed.). CAB International.

Cita Chicago Style (17a ed.)

Ritson, Christopher, y David Harvey. The Common Agricultural Policy. 2nd ed. New York, NY: CAB International, 1997.

Cita MLA (9a ed.)

Ritson, Christopher, y David Harvey. The Common Agricultural Policy. 2nd ed. CAB International, 1997.