APA (7th ed.) Citation

Chen, Y., & Assefa, Y. (2021). The heterogeneity of the COVID-19 pandemic and national responses: An explanatory mixed-methods study. BMC public health, 21(1), 835-15. https://doi.org/10.1186/s12889-021-10885-8

Chicago Style (17th ed.) Citation

Chen, Yi-Ying, and Yibeltal Assefa. "The Heterogeneity of the COVID-19 Pandemic and National Responses: An Explanatory Mixed-methods Study." BMC Public Health 21, no. 1 (2021): 835-15. https://doi.org/10.1186/s12889-021-10885-8.

MLA (9th ed.) Citation

Chen, Yi-Ying, and Yibeltal Assefa. "The Heterogeneity of the COVID-19 Pandemic and National Responses: An Explanatory Mixed-methods Study." BMC Public Health, vol. 21, no. 1, 2021, pp. 835-15, https://doi.org/10.1186/s12889-021-10885-8.

Warning: These citations may not always be 100% accurate.