Cita APA

 Siegel, M. (2006).  Bird flu: Everything you need to know about the next pandemic.  John Wiley & Sons.

Chicago Style Citation

 Siegel, Marc.  Bird Flu: Everything You Need to Know About the Next Pandemic.  John Wiley & Sons, 2006.

Cita MLA

 Siegel, Marc.  Bird Flu: Everything You Need to Know About the Next Pandemic.  John Wiley & Sons, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.