APA Citation

 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.

MLA Citation

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

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