Cita APA (7a ed.)

United Nations Educational, Scientific. (1969). The teaching of modern languages. Greenwood Press.

Cita Chicago Style (17a ed.)

United Nations Educational, Scientific. The Teaching of Modern Languages. New York: Greenwood Press, 1969.

Cita MLA (9a ed.)

United Nations Educational, Scientific. The Teaching of Modern Languages. Greenwood Press, 1969.