APA (7th ed.) Citation

Dèornyei, Z., & Ushioda, E. (2009). Motivation, language identity and the L2 self [. Multilingual Matters.

Chicago Style (17th ed.) Citation

Dèornyei, Zoltaan, and Ema Ushioda. Motivation, Language Identity and the L2 Self [. Bristol, UK.: Multilingual Matters, 2009.

MLA (9th ed.) Citation

Dèornyei, Zoltaan, and Ema Ushioda. Motivation, Language Identity and the L2 Self [. Multilingual Matters, 2009.