APA (7th ed.) Citation

Barnes, J. D. (2006). Early trilingualism: A focus on questions. Multilingual Matters.

Chicago Style (17th ed.) Citation

Barnes, Julia D. Early Trilingualism: A Focus on Questions. Clevedon, England ; Buffalo: Multilingual Matters, 2006.

MLA (9th ed.) Citation

Barnes, Julia D. Early Trilingualism: A Focus on Questions. Multilingual Matters, 2006.