Cita APA

Fitch, W. M., Leiter, J. M., Li, X. Q., & Palese, P. (1991). Positive Darwinian evolution in human influenza A viruses.

Citación estilo Chicago

Fitch, W M., J M. Leiter, X Q. Li, y P. Palese. Positive Darwinian Evolution in Human Influenza A Viruses. 1991.

Cita MLA

Fitch, W M., J M. Leiter, X Q. Li, y P. Palese. Positive Darwinian Evolution in Human Influenza A Viruses. 1991.