Cita APA

(1967). Yearbook of the United Nations 1967. N.Y.: Columbia University Press.

Chicago Style Citation

Yearbook of the United Nations 1967. N.Y.: Columbia University Press, 1967.

Cita MLA

Yearbook of the United Nations 1967. N.Y.: Columbia University Press, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.