Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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