APA (7th ed.) Citation

Leki, I., Cumming, A., & Silva, T. (2008). A synthesis of research on second language writing in English. Routledge.

Chicago Style (17th ed.) Citation

Leki, Ilona, Alister Cumming, and Tony Silva. A Synthesis of Research on Second Language Writing in English. New York, NY: Routledge, 2008.

MLA (9th ed.) Citation

Leki, Ilona, et al. A Synthesis of Research on Second Language Writing in English. Routledge, 2008.

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