Cita APA (7a ed.)

Coyle, D. C. (1966). The United Nations and how it works. Columbia University Press.

Cita Chicago Style (17a ed.)

Coyle, David Cushman. The United Nations and How It Works. New York: Columbia University Press, 1966.

Cita MLA (9a ed.)

Coyle, David Cushman. The United Nations and How It Works. Columbia University Press, 1966.