APA (7th ed.) Citation

Li, Y., Li, J., Tucker, J. D., Geng, E. H., & Wu, D. Pay-it-forward as a strategy to increase vaccine uptake. BMC.

Chicago Style (17th ed.) Citation

Li, Yifan, Jing Li, Joseph D. Tucker, Elvin H. Geng, and Dan Wu. Pay-it-forward as a Strategy to Increase Vaccine Uptake. BMC.

MLA (9th ed.) Citation

Li, Yifan, et al. Pay-it-forward as a Strategy to Increase Vaccine Uptake. BMC.