Cita APA

Ward, B. (1962). The rich nations and the poor nations. New York: N. W. Norton.

Citación estilo Chicago

Ward, Bárbara. The Rich Nations and the Poor Nations. New York: N. W. Norton, 1962.

Cita MLA

Ward, Bárbara. The Rich Nations and the Poor Nations. New York: N. W. Norton, 1962.