APA-Zitierstil (7. Ausg.)

Lu, G., Müller, O., & Li, Y. (2021). Imported COVID-19 cases: A hot topic with a lack of a clear definition. International journal of infectious diseases, 105, . https://doi.org/10.1016/j.ijid.2021.02.081

Chicago-Zitierstil (17. Ausg.)

Lu, Guangyu, Olaf Müller, und Yuping Li. "Imported COVID-19 Cases: A Hot Topic with a Lack of a Clear Definition." International Journal of Infectious Diseases 105 (2021). https://doi.org/10.1016/j.ijid.2021.02.081.

MLA-Zitierstil (9. Ausg.)

Lu, Guangyu, et al. "Imported COVID-19 Cases: A Hot Topic with a Lack of a Clear Definition." International Journal of Infectious Diseases, vol. 105, 2021, https://doi.org/10.1016/j.ijid.2021.02.081.