Cita APA

Hennekens, C., Buring, J., & Peto, R. (1992). Aspirin in ischemic heart disease.

Citación estilo Chicago

Hennekens, C., J. Buring, and R. Peto. Aspirin in Ischemic Heart Disease. 1992.

Cita MLA

Hennekens, C., et al. Aspirin in Ischemic Heart Disease. 1992.