Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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