APA (7th ed.) Citation

Sylva, K., Stein, A., Leach, P., Barnes, J., & Malmberg, L. (2011). Effects of early child-care on cognition, language, and task-related behaviours at 18 months: An English study.

Chicago Style (17th ed.) Citation

Sylva, K., A. Stein, P. Leach, J. Barnes, and L. Malmberg. Effects of Early Child-care on Cognition, Language, and Task-related Behaviours at 18 Months: An English Study. 2011.

MLA (9th ed.) Citation

Sylva, K., et al. Effects of Early Child-care on Cognition, Language, and Task-related Behaviours at 18 Months: An English Study. 2011.