APA (7th ed.) Citation

Aston, G., Bernardini, S., & Stewart, D. (2004). Corpora and language learners. John Benjamins.

Chicago Style (17th ed.) Citation

Aston, Guy, Silvia Bernardini, and Dominic Stewart. Corpora and Language Learners. Amsterdam: John Benjamins, 2004.

MLA (9th ed.) Citation

Aston, Guy, et al. Corpora and Language Learners. John Benjamins, 2004.