Cita APA

Guan, Y., Shortridge, K. F., Krauss, S., Li, P. H., Kawaoka, Y., & Webster, R. G. (1996). Emergence of avian H1N1 influenza viruses in pigs in China.

Chicago Style Citation

Guan, Y., K F. Shortridge, S. Krauss, P H. Li, Y. Kawaoka, i R G. Webster. Emergence of Avian H1N1 Influenza Viruses in Pigs in China. 1996.

Cita MLA

Guan, Y., et al. Emergence of Avian H1N1 Influenza Viruses in Pigs in China. 1996.