APA (7th ed.) Citation

Hyltenstam, K. (2016). Advanced proficiency and exceptional ability in second languages. De Gruyter Mouton.

Chicago Style (17th ed.) Citation

Hyltenstam, Kenneth. Advanced Proficiency and Exceptional Ability in Second Languages. Boston ; Berlin: De Gruyter Mouton, 2016.

MLA (9th ed.) Citation

Hyltenstam, Kenneth. Advanced Proficiency and Exceptional Ability in Second Languages. De Gruyter Mouton, 2016.