APA (7th ed.) Citation

Ortega, L. (2009). Understanding second language acquisition (1. publ.). Hodder Education.

Chicago Style (17th ed.) Citation

Ortega, Lourdes. Understanding Second Language Acquisition. 1. publ. London: Hodder Education, 2009.

MLA (9th ed.) Citation

Ortega, Lourdes. Understanding Second Language Acquisition. 1. publ. Hodder Education, 2009.

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