APA ציטוט

Perin, E. C. (2020). In Memoriam: James T. Willerson, MD (1939–2020). Tex Heart Inst J.

Citação norma Chicago

Perin, Emerson C. "In Memoriam: James T. Willerson, MD (1939–2020)." Tex Heart Inst J 2020.

ציטוט MLA

Perin, Emerson C. "In Memoriam: James T. Willerson, MD (1939–2020)." Tex Heart Inst J 2020.