APA način citiranja

Leo, Y., Lye, D. C., Barkham, T., Krishnan, P., Seow, E., & Chow, A. (2010). Pandemic (H1N1) 2009 Surveillance and Prevalence of Seasonal Influenza, Singapore. Centers for Disease Control and Prevention.

Čikaški stil citiranja

Leo, Yee-Sin, David C. Lye, Timothy Barkham, Prabha Krishnan, Eillyne Seow, i Angela Chow. Pandemic (H1N1) 2009 Surveillance and Prevalence of Seasonal Influenza, Singapore. Centers for Disease Control and Prevention, 2010.

MLA način citiranja

Leo, Yee-Sin, et al. Pandemic (H1N1) 2009 Surveillance and Prevalence of Seasonal Influenza, Singapore. Centers for Disease Control and Prevention, 2010.