Ernstsen, L & Havnen, A. (2020). Mental health and sleep disturbances in physically active adults during the COVID-19 lockdown in Norway: Does change in physical activity level matter? Sleep Medicine, 77 (1), 309-312. Zugriff am 10.09.2020 unter https://doi.org/10.1016/j.sleep.2020.08.030
APA (7th ed.) CitationErnstsen, L., & Havnen, A. (2020). Mental health and sleep disturbances in physically active adults during the COVID-19 lockdown in Norway: Does change in physical activity level matter? Sleep Medicine, 77(1), 309-312.
Chicago Style (17th ed.) CitationErnstsen, L., and A. Havnen. "Mental Health and Sleep Disturbances in Physically Active Adults During the COVID-19 Lockdown in Norway: Does Change in Physical Activity Level Matter?" Sleep Medicine 77, no. 1 (2020): 309-312.
MLA (9th ed.) CitationErnstsen, L., and A. Havnen. "Mental Health and Sleep Disturbances in Physically Active Adults During the COVID-19 Lockdown in Norway: Does Change in Physical Activity Level Matter?" Sleep Medicine, vol. 77, no. 1, 2020, pp. 309-312.