Citação norma APA

Underwood, M., Eldridge, S., Lamb, S., Potter, R., Sheehan, B., Slowther, A., . . . Weich, S. (2011). The OPERA trial: Protocol for a randomised trial of an exercise intervention for older people in residential and nursing accommodation. BioMed Central.

Citação norma Chicago

Underwood, Martin, Sandra Eldridge, Sallie Lamb, Rachel Potter, Bartley Sheehan, Anne-Marie Slowther, Stephanie Taylor, Margaret Thorogood, and Scott Weich. The OPERA Trial: Protocol for a Randomised Trial of an Exercise Intervention for Older People in Residential and Nursing Accommodation. BioMed Central, 2011.

Citação norma MLA

Underwood, Martin, et al. The OPERA Trial: Protocol for a Randomised Trial of an Exercise Intervention for Older People in Residential and Nursing Accommodation. BioMed Central, 2011.

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