APA (7th ed.) Citation

R, O., A, B., G, L., I, L., V, B., J, L., . . . TR, P. (2021). Impact of the COVID-19 Pandemic on Loneliness and Social Isolation: A Multi-Country Study. International journal of environmental research and public health, 18(19), . https://doi.org/10.3390/ijerph18199982

Chicago Style (17th ed.) Citation

R, O'Sullivan, et al. "Impact of the COVID-19 Pandemic on Loneliness and Social Isolation: A Multi-Country Study." International Journal of Environmental Research and Public Health 18, no. 19 (2021). https://doi.org/10.3390/ijerph18199982.

MLA (9th ed.) Citation

R, O'Sullivan, et al. "Impact of the COVID-19 Pandemic on Loneliness and Social Isolation: A Multi-Country Study." International Journal of Environmental Research and Public Health, vol. 18, no. 19, 2021, https://doi.org/10.3390/ijerph18199982.