Cite
Inactivation of SAM-methyltransferase is the mechanism of attenuation of a historic louse borne typhus vaccine strain.
MLA
Liu, Yan, et al. “Inactivation of SAM-Methyltransferase Is the Mechanism of Attenuation of a Historic Louse Borne Typhus Vaccine Strain.” PloS One, vol. 9, no. 11, Nov. 2014, p. e113285. EBSCOhost, https://doi.org/10.1371/journal.pone.0113285.
APA
Liu, Y., Wu, B., Weinstock, G., Walker, D. H., & Yu, X.-J. (2014). Inactivation of SAM-methyltransferase is the mechanism of attenuation of a historic louse borne typhus vaccine strain. PloS One, 9(11), e113285. https://doi.org/10.1371/journal.pone.0113285
Chicago
Liu, Yan, Bin Wu, George Weinstock, David H Walker, and Xue-Jie Yu. 2014. “Inactivation of SAM-Methyltransferase Is the Mechanism of Attenuation of a Historic Louse Borne Typhus Vaccine Strain.” PloS One 9 (11): e113285. doi:10.1371/journal.pone.0113285.