Cita APA (7a ed.)
Lee, P. H., Marek, J., & Nálevka, P. (2021). Sleep pattern in the US and 16 European countries during the COVID-19 outbreak using crowdsourced smartphone data. European Journal of Public Health, 31(1), 23-31.
Cita Chicago Style (17a ed.)
Lee, Paul H., Jan Marek, y Petr Nálevka. "Sleep Pattern in the US and 16 European Countries During the COVID-19 Outbreak Using Crowdsourced Smartphone Data." European Journal of Public Health 31, no. 1 (2021): 23-31.
Cita MLA (9a ed.)
Lee, Paul H., et al. "Sleep Pattern in the US and 16 European Countries During the COVID-19 Outbreak Using Crowdsourced Smartphone Data." European Journal of Public Health, vol. 31, no. 1, 2021, pp. 23-31.
Precaución: Estas citas no son 100% exactas.