APA-Zitierstil (7. Ausg.)

Liu, W., Yu, F., Geldsetzer, P., Yang, J., Wang, Z., Golden, T., . . . Chen, S. (2022). Prevalence of depression in China during the early stage of the COVID-19 pandemic: A cross-sectional study in an online survey sample. BMJ open, 12(3), . https://doi.org/10.1136/bmjopen-2021-056667

Chicago-Zitierstil (17. Ausg.)

Liu, Weina, et al. "Prevalence of Depression in China During the Early Stage of the COVID-19 Pandemic: A Cross-sectional Study in an Online Survey Sample." BMJ Open 12, no. 3 (2022). https://doi.org/10.1136/bmjopen-2021-056667.

MLA-Zitierstil (9. Ausg.)

Liu, Weina, et al. "Prevalence of Depression in China During the Early Stage of the COVID-19 Pandemic: A Cross-sectional Study in an Online Survey Sample." BMJ Open, vol. 12, no. 3, 2022, https://doi.org/10.1136/bmjopen-2021-056667.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.