Cita APA (7a ed.)

WARD, B. (1962). The rich Nations and the poor Nations. W. W. Norton.

Cita Chicago Style (17a ed.)

WARD, Barbara. The Rich Nations and the Poor Nations. New York: W. W. Norton, 1962.

Cita MLA (9a ed.)

WARD, Barbara. The Rich Nations and the Poor Nations. W. W. Norton, 1962.