APA (7th ed.) Citation

Nunan, D. (2009). What is this thing called language? (1. publ., 3. pr.). Palgrave Macmillan.

Chicago Style (17th ed.) Citation

Nunan, David. What Is This Thing Called Language? 1. publ., 3. pr. Basingstoke [u.a.]: Palgrave Macmillan, 2009.

MLA (9th ed.) Citation

Nunan, David. What Is This Thing Called Language? 1. publ., 3. pr. Palgrave Macmillan, 2009.