APA-viite

Yohannes, A., & Alexopoulos, G. (2014). Pharmacologic Treatment of Depression in Older Patients with COPD: Impact on the Course of the Disease and Health Outcomes. Drugs Aging.

Chicago-tyylinen lähdeviittaus

Yohannes, AM, ja GS Alexopoulos. "Pharmacologic Treatment of Depression in Older Patients With COPD: Impact On the Course of the Disease and Health Outcomes." Drugs Aging 2014.

MLA-viite

Yohannes, AM, ja GS Alexopoulos. "Pharmacologic Treatment of Depression in Older Patients With COPD: Impact On the Course of the Disease and Health Outcomes." Drugs Aging 2014.

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