Galles, N. C., Bärnighausen, T., De Neve, J., & Mohammed, S. (2021). Measuring routine childhood vaccination coverage in 204 countries and territories, 1980-2019: A systematic analysis for the Global Burden of Disease Study 2020, Release 1. The lancet, 398(10299), . https://doi.org/10.1016/S0140-6736(21)00984-3
Chicago Style (17th ed.) CitationGalles, Natalie C., Till Bärnighausen, Jan-Walter De Neve, and Shafiu Mohammed. "Measuring Routine Childhood Vaccination Coverage in 204 Countries and Territories, 1980-2019: A Systematic Analysis for the Global Burden of Disease Study 2020, Release 1." The Lancet 398, no. 10299 (2021). https://doi.org/10.1016/S0140-6736(21)00984-3.
MLA (9th ed.) CitationGalles, Natalie C., et al. "Measuring Routine Childhood Vaccination Coverage in 204 Countries and Territories, 1980-2019: A Systematic Analysis for the Global Burden of Disease Study 2020, Release 1." The Lancet, vol. 398, no. 10299, 2021, https://doi.org/10.1016/S0140-6736(21)00984-3.