Cita APA (7a ed.)

UNESCO. (1957). Education clearing houses and documentation centres: A preliminary international survey. UNESCO.

Cita Chicago Style (17a ed.)

UNESCO. Education Clearing Houses and Documentation Centres: A Preliminary International Survey. Paris: UNESCO, 1957.

Cita MLA (9a ed.)

UNESCO. Education Clearing Houses and Documentation Centres: A Preliminary International Survey. UNESCO, 1957.