APA (7th ed.) Citation

Language Testing Research Colloquium, NetLibrary, Inc, Cumming, A. H., & Berwick, R. (1996). Validation in language testing. Multilingual Matters.

Chicago Style (17th ed.) Citation

Language Testing Research Colloquium, Inc NetLibrary, Alister H. Cumming, and Richard Berwick. Validation in Language Testing. Clevedon [England]: Multilingual Matters, 1996.

MLA (9th ed.) Citation

Language Testing Research Colloquium, et al. Validation in Language Testing. Multilingual Matters, 1996.