Citação norma APA

Clark, J. (2001). Preventive home visits to elderly people: Their effectiveness cannot be judged by randomised controlled trials. BMJ.

Citação norma Chicago

Clark, J. Preventive Home Visits to Elderly People: Their Effectiveness Cannot Be Judged By Randomised Controlled Trials. BMJ, 2001.

Citação norma MLA

Clark, J. Preventive Home Visits to Elderly People: Their Effectiveness Cannot Be Judged By Randomised Controlled Trials. BMJ, 2001.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.