Claussen, M. C., Zimmermann, S. M., Spörri, J, Seifritz, E, Scherr, J & Fröhlich, S. (2020). Mental health in competitive sports in times of COVID-19. Sports & exercise medicine switzerland Zugriff am 18.03.2021 unter https://doi.org/10.34045/SEMS/2020/26
APA (7th ed.) CitationClaussen, M. C., Zimmermann, S. M., Spörri, J., Seifritz, E., Scherr, J., & Fröhlich, S. (2020). Mental health in competitive sports in times of COVID-19 Sports & exercise medicine switzerland.
Chicago Style (17th ed.) CitationClaussen, M. C., S. M. Zimmermann, J. Spörri, E. Seifritz, J. Scherr, and S. Fröhlich. "Mental Health in Competitive Sports in Times of COVID-19." Sports & Exercise Medicine Switzerland 2020.
MLA (9th ed.) CitationClaussen, M. C., et al. "Mental Health in Competitive Sports in Times of COVID-19." Sports & Exercise Medicine Switzerland, 2020.