The psychometric properties of the Ages & Stages Questionnaires for ages 2-2.5: a systematic review.

MLA

Velikonja, T., et al. “The Psychometric Properties of the Ages & Stages Questionnaires for Ages 2-2.5: A Systematic Review.” Child: Care, Health & Development, vol. 43, no. 1, Jan. 2017, pp. 1–17. EBSCOhost, https://doi.org/10.1111/cch.12397.

APA

Velikonja, T., Edbrooke, C. J., Calderon, A., Sleed, M., Brown, A., & Deighton, J. (2017). The psychometric properties of the Ages & Stages Questionnaires for ages 2-2.5: a systematic review. Child: Care, Health & Development, 43(1), 1–17. https://doi.org/10.1111/cch.12397

Chicago

Velikonja, T., Childs, J. Edbrooke, A. Calderon, M. Sleed, A. Brown, and J. Deighton. 2017. “The Psychometric Properties of the Ages & Stages Questionnaires for Ages 2-2.5: A Systematic Review.” Child: Care, Health & Development 43 (1): 1–17. doi:10.1111/cch.12397.