Cita APA

Elwood, P., Morgan, G., Brown, G., & Pickering, J. (2005). Aspirin for everyone older than 50?: FOR. BMJ Publishing Group Ltd.

Chicago Style Citation

Elwood, Peter, Gareth Morgan, Ginevra Brown, i Janet Pickering. Aspirin for Everyone Older Than 50?: FOR. BMJ Publishing Group Ltd, 2005.

Cita MLA

Elwood, Peter, Gareth Morgan, Ginevra Brown, i Janet Pickering. Aspirin for Everyone Older Than 50?: FOR. BMJ Publishing Group Ltd, 2005.