APA (7th ed.) Citation

Lewis, M. M. (1951). Infant speech : a study of the beginnings of language / by M.M. Lewis: A study of the beginnings of language (2nd ed.). Routledge and Kegan Paul.

Chicago Style (17th ed.) Citation

Lewis, M. M. Infant Speech : A Study of the Beginnings of Language / by M.M. Lewis: A Study of the Beginnings of Language. 2nd ed. Routledge and Kegan Paul, 1951.

MLA (9th ed.) Citation

Lewis, M. M. Infant Speech : A Study of the Beginnings of Language / by M.M. Lewis: A Study of the Beginnings of Language. 2nd ed. Routledge and Kegan Paul, 1951.

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