APA (7th ed.) Citation

Scovel, T. (1988). A time to speak: A psycholinguistic inquiry into the critical period for human speech. Newbury House.

Chicago Style (17th ed.) Citation

Scovel, Thomas. A Time to Speak: A Psycholinguistic Inquiry into the Critical Period for Human Speech. Cambridge: Newbury House, 1988.

MLA (9th ed.) Citation

Scovel, Thomas. A Time to Speak: A Psycholinguistic Inquiry into the Critical Period for Human Speech. Newbury House, 1988.