Citação norma APA

Harwood, D., Hawton, K., Hope, T., Harriss, L., & Jacoby, R. (2006). Life problems and physical illness as risk factors for suicide in older people: A descriptive and case-control study.

Citação norma Chicago

Harwood, D., K. Hawton, T. Hope, L. Harriss, and R. Jacoby. Life Problems and Physical Illness as Risk Factors for Suicide in Older People: A Descriptive and Case-control Study. 2006.

Citação norma MLA

Harwood, D., et al. Life Problems and Physical Illness as Risk Factors for Suicide in Older People: A Descriptive and Case-control Study. 2006.

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