APA (7th ed.) Citation

Hayes, R., Marsh, K., & Snow, R. (1992). Case-control studies of severe malaria.

Chicago Style (17th ed.) Citation

Hayes, R., K. Marsh, and R. Snow. Case-control Studies of Severe Malaria. 1992.

MLA (9th ed.) Citation

Hayes, R., et al. Case-control Studies of Severe Malaria. 1992.