Citazione Stile APA (7a Edizione)

Coppock, J. O. (1963). North Atlantic policy: The agricultural gap. Twentieth Century Fund.

Citazione stile Chigago Style (17a edizione)

Coppock, John O. North Atlantic Policy: The Agricultural Gap. New York: Twentieth Century Fund, 1963.

Citatione MLA (8a ed.)

Coppock, John O. North Atlantic Policy: The Agricultural Gap. Twentieth Century Fund, 1963.