APA (7th ed.) Citation

Nunan, D. (2007). What is this thing called language? Palgrave Macmillan.

Chicago Style (17th ed.) Citation

Nunan, David. What Is This Thing Called Language? Basingstoke: Palgrave Macmillan, 2007.

MLA (9th ed.) Citation

Nunan, David. What Is This Thing Called Language? Palgrave Macmillan, 2007.