APA (7th ed.) Citation

Guerra, C., Snow, R., & Hay, S. (2006). Mapping the global extent of malaria in 2005.

Chicago Style (17th ed.) Citation

Guerra, C., R. Snow, and S. Hay. Mapping the Global Extent of Malaria in 2005. 2006.

MLA (9th ed.) Citation

Guerra, C., et al. Mapping the Global Extent of Malaria in 2005. 2006.