APA (7th ed.) Citation

He, Q., Mao, Q., Zhang, J., Bian, L., Gao, F., Wang, J., . . . Liang, Z. (2021). COVID-19 Vaccines: Current Understanding on Immunogenicity, Safety, and Further Considerations. Frontiers in immunology, 12, 669339. https://doi.org/10.3389/fimmu.2021.669339

Chicago Style (17th ed.) Citation

He, Qian, Qunying Mao, Jialu Zhang, Lianlian Bian, Fan Gao, Junzhi Wang, Miao Xu, and Zhenglun Liang. "COVID-19 Vaccines: Current Understanding on Immunogenicity, Safety, and Further Considerations." Frontiers in Immunology 12 (2021): 669339. https://doi.org/10.3389/fimmu.2021.669339.

MLA (9th ed.) Citation

He, Qian, et al. "COVID-19 Vaccines: Current Understanding on Immunogenicity, Safety, and Further Considerations." Frontiers in Immunology, vol. 12, 2021, p. 669339, https://doi.org/10.3389/fimmu.2021.669339.