APA Citation

Mackey, A., & Gass, S. M. The Routledge handbook of second language acquisition.

Chicago Style Citation

Mackey, Alison, and Susan M. Gass. The Routledge Handbook of Second Language Acquisition.

MLA Citation

Mackey, Alison, and Susan M. Gass. The Routledge Handbook of Second Language Acquisition.

Warning: These citations may not always be 100% accurate.