APA (7th ed.) Citation

Robinson, P. (2015). The Routledge encyclopedia of second language acquisition. Routledge.

Chicago Style (17th ed.) Citation

Robinson, Peter. The Routledge Encyclopedia of Second Language Acquisition. New York: Routledge, 2015.

MLA (9th ed.) Citation

Robinson, Peter. The Routledge Encyclopedia of Second Language Acquisition. Routledge, 2015.