APA (7th ed.) Citation

Crystal, D. (2006). How language works: How babies babble, words change meaning, and languages live or die. Overlook Press.

Chicago Style (17th ed.) Citation

Crystal, David. How Language Works: How Babies Babble, Words Change Meaning, and Languages Live or Die. Woodstock, NY: Overlook Press, 2006.

MLA (9th ed.) Citation

Crystal, David. How Language Works: How Babies Babble, Words Change Meaning, and Languages Live or Die. Overlook Press, 2006.