APA (7th ed.) Citation

Bronckart, J. P. (1985). The language sciences: An educational challenge ? UNESCO.

Chicago Style (17th ed.) Citation

Bronckart, J. P. The Language Sciences: An Educational Challenge ? Paris: UNESCO, 1985.

MLA (9th ed.) Citation

Bronckart, J. P. The Language Sciences: An Educational Challenge ? UNESCO, 1985.

Warning: These citations may not always be 100% accurate.