APA (7th ed.) Citation

Sayal, K., Chudal, R., Hinkka-Yli-Salomäki, S., Joelsson, P., & Sourander, A. (2017). Relative age within the school year and diagnosis of attention-deficit hyperactivity disorder: A nationwide population-based study. Elsevier.

Chicago Style (17th ed.) Citation

Sayal, Kapil, Roshan Chudal, Susanna Hinkka-Yli-Salomäki, Petteri Joelsson, and Andre Sourander. Relative Age Within the School Year and Diagnosis of Attention-deficit Hyperactivity Disorder: A Nationwide Population-based Study. Elsevier, 2017.

MLA (9th ed.) Citation

Sayal, Kapil, et al. Relative Age Within the School Year and Diagnosis of Attention-deficit Hyperactivity Disorder: A Nationwide Population-based Study. Elsevier, 2017.

Warning: These citations may not always be 100% accurate.