Cita APA (7th ed.)

Hay, S., Omumbo, J., Craig, M., & Snow, R. (2000). Earth observation, geographic information systems and Plasmodium falciparum malaria in sub-Saharan Africa.

Cita Chicago (17th ed.)

Hay, S., J. Omumbo, M. Craig, i R. Snow. Earth Observation, Geographic Information Systems and Plasmodium Falciparum Malaria in Sub-Saharan Africa. 2000.

Cita MLA (9th ed.)

Hay, S., et al. Earth Observation, Geographic Information Systems and Plasmodium Falciparum Malaria in Sub-Saharan Africa. 2000.