APA (7th ed.) Citation

Ortega, L. (2013). Understanding second language acquisition. Routledge.

Chicago Style (17th ed.) Citation

Ortega, Lourdes. Understanding Second Language Acquisition. London ; New York: Routledge, 2013.

MLA (9th ed.) Citation

Ortega, Lourdes. Understanding Second Language Acquisition. Routledge, 2013.

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