Cita APA (7th ed.)

Collins, R., Baigent, C., & Peto, R. (1996). Benefit of heparin plus aspirin vs aspirin alone in unstable angina.

Cita Chicago (17th ed.)

Collins, R., C. Baigent, i R. Peto. Benefit of Heparin Plus Aspirin Vs Aspirin Alone in Unstable Angina. 1996.

Cita MLA (9th ed.)

Collins, R., et al. Benefit of Heparin Plus Aspirin Vs Aspirin Alone in Unstable Angina. 1996.