Citazione Stile APA (7a Edizione)

Lenneberg, E. H. (1964). New directions in the study of language. M. I. T. Press.

Citazione stile Chigago Style (17a edizione)

Lenneberg, Eric H. New Directions in the Study of Language. Cambridge, Mass: M. I. T. Press, 1964.

Citatione MLA (9a ed.)

Lenneberg, Eric H. New Directions in the Study of Language. M. I. T. Press, 1964.