APA (7th ed.) Citation

Ruan, S., Wang, W., & Levin, S. A. The effect of global travel on the spread of SARS. AIMS Press.

Chicago Style (17th ed.) Citation

Ruan, Shigui, Wendi Wang, and Simon A. Levin. The Effect of Global Travel on the Spread of SARS. AIMS Press.

MLA (9th ed.) Citation

Ruan, Shigui, et al. The Effect of Global Travel on the Spread of SARS. AIMS Press.

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