APA (7th ed.) Citation

Lewis, M. M. (1969). Language and the child. National Foundation for Educational Research in England and Wales.

Chicago Style (17th ed.) Citation

Lewis, M. M. Language and the Child. London: National Foundation for Educational Research in England and Wales, 1969.

MLA (9th ed.) Citation

Lewis, M. M. Language and the Child. National Foundation for Educational Research in England and Wales, 1969.