Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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