APA (7th ed.) Citation

YJ, F., KH, C., & IF, H. (2021). Safety and Efficacy of COVID-19 Vaccines: A Systematic Review and Meta-Analysis of Different Vaccines at Phase 3. Vaccines, 9(9), . https://doi.org/10.3390/vaccines9090989

Chicago Style (17th ed.) Citation

YJ, Fan, Chan KH, and Hung IF. "Safety and Efficacy of COVID-19 Vaccines: A Systematic Review and Meta-Analysis of Different Vaccines at Phase 3." Vaccines 9, no. 9 (2021). https://doi.org/10.3390/vaccines9090989.

MLA (9th ed.) Citation

YJ, Fan, et al. "Safety and Efficacy of COVID-19 Vaccines: A Systematic Review and Meta-Analysis of Different Vaccines at Phase 3." Vaccines, vol. 9, no. 9, 2021, https://doi.org/10.3390/vaccines9090989.