APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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