Ali, I., Ali, S., Iqbal, S., & Iqbal, S. (2021). COVID-19 Vaccination: Concerns About Its Accessibility, Affordability, and Acceptability. Frontiers Media S.A.
芝加哥风格引文Ali, Inayat, Shahbaz Ali, Sehar Iqbal, 与 Sehar Iqbal. COVID-19 Vaccination: Concerns About Its Accessibility, Affordability, and Acceptability. Frontiers Media S.A, 2021.
MLA引文Ali, Inayat, et al. COVID-19 Vaccination: Concerns About Its Accessibility, Affordability, and Acceptability. Frontiers Media S.A, 2021.
警告：这些引文格式不一定是100％准确.