Cite
USA firms up smallpox vaccine plans
MLA
Senior, Kathryn. “USA Firms up Smallpox Vaccine Plans.” Lancet Infectious Diseases, vol. 2, no. 11, Nov. 2002, p. 649. EBSCOhost, https://doi.org/10.1016/S1473-3099(02)00423-1.
APA
Senior, K. (2002). USA firms up smallpox vaccine plans. Lancet Infectious Diseases, 2(11), 649. https://doi.org/10.1016/S1473-3099(02)00423-1
Chicago
Senior, Kathryn. 2002. “USA Firms up Smallpox Vaccine Plans.” Lancet Infectious Diseases 2 (11): 649. doi:10.1016/S1473-3099(02)00423-1.