Dyfyniad APA

Li, Y., Carroll, D. S., Gardner, S. N., Walsh, M. C., Vitalis, E. A., & Damon, I. K. (2007). On the origin of smallpox: Correlating variola phylogenics with historical smallpox records. National Academy of Sciences.

Dyfyniad Arddull Chicago

Li, Yu, Darin S. Carroll, Shea N. Gardner, Matthew C. Walsh, Elizabeth A. Vitalis, and Inger K. Damon. On the Origin of Smallpox: Correlating Variola Phylogenics With Historical Smallpox Records. National Academy of Sciences, 2007.

Dyfyniad MLA

Li, Yu, et al. On the Origin of Smallpox: Correlating Variola Phylogenics With Historical Smallpox Records. National Academy of Sciences, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.