Citations refer to the original publication, not to a Scieee localized version.
Thorsteinsson, E. B., Potrebny, T., Arnarsson, Á. M., Tynjälä, J., Välimaa, R., & Eriksson, C. (2019). Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014. Nordisk välfärdsforskning, (2). https://jyx.jyu.fi/handle/123456789/67718
Thorsteinsson, Einar Baldvin, et al. “Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014.” Nordisk välfärdsforskning, no. 2, 2019. https://jyx.jyu.fi/handle/123456789/67718.
Thorsteinsson, Einar Baldvin, Thomas Potrebny, Ársaell Már Arnarsson, Jorma Tynjälä, Raili Välimaa, and Charli Eriksson. “Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014.” Nordisk välfärdsforskning, no. 2 (2019). https://jyx.jyu.fi/handle/123456789/67718.
Thorsteinsson, E. B. et al. (2019) ‘Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014’, Nordisk välfärdsforskning, (2). Available at: https://jyx.jyu.fi/handle/123456789/67718.
E. B. Thorsteinsson, T. Potrebny, Á. M. Arnarsson, J. Tynjälä, R. Välimaa, and C. Eriksson, “Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014,” Nordisk välfärdsforskning, no. 2, 2019. [Online]. Available: https://jyx.jyu.fi/handle/123456789/67718
@article{thorsteinsson2019trends,
author = {Thorsteinsson, Einar Baldvin and Potrebny, Thomas and Arnarsson, Ársaell Már and Tynjälä, Jorma and Välimaa, Raili and Eriksson, Charli},
title = {Trends in sleeping difficulty among adolescents in five Nordic countries 2002–2014},
journal = {Nordisk välfärdsforskning},
year = {2019},
number = {2},
publisher = {Universitetsforlaget},
url = {https://jyx.jyu.fi/handle/123456789/67718}
}
The source metadata has no pages. Add them from the original publication if your citation needs them.