Cita APA (7a ed.)

Collins, R., Armitage, J., Parish, S., Sleight, P., Peto, R., & Col, M. (2003). Heart Protection Study - Reply.

Cita Chicago Style (17a ed.)

Collins, R., J. Armitage, S. Parish, P. Sleight, R. Peto, y M. Col. Heart Protection Study - Reply. 2003.

Cita MLA (9a ed.)

Collins, R., et al. Heart Protection Study - Reply. 2003.