APA (7th ed.) Citation

Pechirra, P., Conde, P., Romero, C., Ribeiro, C., Gonçalves, P., & Guiomar, R. (2012). Characterisation of influenza B viruses circulating in Portugal during the 2010/2011 influenza season.

Chicago Style (17th ed.) Citation

Pechirra, Pedro, Patrícia Conde, Carla Romero, Carlos Ribeiro, Paulo Gonçalves, and Raquel Guiomar. Characterisation of Influenza B Viruses Circulating in Portugal During the 2010/2011 Influenza Season. 2012.

MLA (8th ed.) Citation

Pechirra, Pedro, et al. Characterisation of Influenza B Viruses Circulating in Portugal During the 2010/2011 Influenza Season. 2012.