Cita APA (7th ed.)

Coyle, D. C. (1961). The United Nations and how it works (Rev. ed.). Columbia University Press.

Cita Chicago (17th ed.)

Coyle, David Cushman. The United Nations and How It Works. Rev. ed. New York: Columbia University Press, 1961.

Cita MLA (9th ed.)

Coyle, David Cushman. The United Nations and How It Works. Rev. ed. Columbia University Press, 1961.