APA (7th ed.) Citation

Pu, J., Wang, S., Yin, Y., Zhang, G., Carter, R. A., Wang, J., . . . Webster, R. G. (2015). Evolution of the H9N2 influenza genotype that facilitated the genesis of the novel H7N9 virus. Proceedings of the National Academy of Sciences - PNAS, 112(2), 548-553. https://doi.org/10.1073/pnas.1422456112

Chicago Style (17th ed.) Citation

Pu, Juan, et al. "Evolution of the H9N2 Influenza Genotype That Facilitated the Genesis of the Novel H7N9 Virus." Proceedings of the National Academy of Sciences - PNAS 112, no. 2 (2015): 548-553. https://doi.org/10.1073/pnas.1422456112.

MLA (9th ed.) Citation

Pu, Juan, et al. "Evolution of the H9N2 Influenza Genotype That Facilitated the Genesis of the Novel H7N9 Virus." Proceedings of the National Academy of Sciences - PNAS, vol. 112, no. 2, 2015, pp. 548-553, https://doi.org/10.1073/pnas.1422456112.