APA (7th ed.) Citation

Ortega, L. Second language acquisition: Critical concepts in linguistics. Routledge.

Chicago Style (17th ed.) Citation

Ortega, Lourdes. Second Language Acquisition: Critical Concepts in Linguistics. London [u.a.]: Routledge.

MLA (9th ed.) Citation

Ortega, Lourdes. Second Language Acquisition: Critical Concepts in Linguistics. Routledge.

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