APA (7th ed.) Citation

Doughty, C., & Long, M. H. (2003). The handbook of second language acquisition. Blackwell.

Chicago Style (17th ed.) Citation

Doughty, Catherine, and Michael H. Long. The Handbook of Second Language Acquisition. Malden (Massachusetts) [etc.]: Blackwell, 2003.

MLA (9th ed.) Citation

Doughty, Catherine, and Michael H. Long. The Handbook of Second Language Acquisition. Blackwell, 2003.