Printz, C. (2021). Poor COVID‐19 outcomes and deaths linked to advanced age and pre‐existing conditions. Cancer.
استشهاد بنمط شيكاغوPrintz, Carrie. "Poor COVID‐19 Outcomes and Deaths Linked to Advanced Age and Pre‐existing Conditions." Cancer 2021.
MLA استشهادPrintz, Carrie. "Poor COVID‐19 Outcomes and Deaths Linked to Advanced Age and Pre‐existing Conditions." Cancer 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.