APA (7th ed.) Citation

Chen, H., Jin, M., Zhou, R., & Xu, Z. Selection pressure on the hemagglutinin gene of Influenza A (H1N1) virus: Adaptation to human and swine hosts in Asia.

Chicago Style (17th ed.) Citation

Chen, H., M. Jin, R. Zhou, and Z. Xu. Selection Pressure on the Hemagglutinin Gene of Influenza A (H1N1) Virus: Adaptation to Human and Swine Hosts in Asia.

MLA (9th ed.) Citation

Chen, H., et al. Selection Pressure on the Hemagglutinin Gene of Influenza A (H1N1) Virus: Adaptation to Human and Swine Hosts in Asia.

Warning: These citations may not always be 100% accurate.