APA (7th ed.) Citation

Thorisdottir, I. E., Asgeirsdottir, B. B., Kristjansson, A. L., Valdimarsdottir, H., Jonsdottir Tolgyes, E. M., Sigfusson, J., . . . Halldorsdottir, T. (2021). Depressive symptoms, mental wellbeing, and substance use among adolescents before and during the COVID-19 pandemic in Iceland: A longitudinal, population-based study.

Chicago Style (17th ed.) Citation

Thorisdottir, Ingibjorg E., Bryndis Bjork Asgeirsdottir, Alfgeir L. Kristjansson, Heiddis Valdimarsdottir, Erla Maria Jonsdottir Tolgyes, Jon Sigfusson, John P. Allegrante, Inga Dora Sigfusdottir, and Thorhildur Halldorsdottir. Depressive Symptoms, Mental Wellbeing, and Substance Use Among Adolescents Before and During the COVID-19 Pandemic in Iceland: A Longitudinal, Population-based Study. 2021.

MLA (9th ed.) Citation

Thorisdottir, Ingibjorg E., et al. Depressive Symptoms, Mental Wellbeing, and Substance Use Among Adolescents Before and During the COVID-19 Pandemic in Iceland: A Longitudinal, Population-based Study. 2021.