Cita APA (7th ed.)

Ortiz, J. R., Sotomayor, V., Uez, O. C., Oliva, O., Bettels, D., McCarron, M., . . . Mounts, A. W. (2009). Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention.

Cita Chicago (17th ed.)

Ortiz, Justin R., Viviana Sotomayor, Osvaldo C. Uez, Otavio Oliva, Deborah Bettels, Margaret McCarron, Joseph S. Bresee, i Anthony W. Mounts. Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention, 2009.

Cita MLA (9th ed.)

Ortiz, Justin R., et al. Strategy to Enhance Influenza Surveillance Worldwide. Centers for Disease Control and Prevention, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.