MLA

Hemberger, Armin B. Longitudinal Section of Heart Showing Common Truncus Arteriosus and Interventricular Septal Defect. 1929. https://collections.library.yale.edu/catalog/15948154.

APA, 6th edition

Hemberger, A. B. (1929). Longitudinal Section of Heart Showing Common Truncus Arteriosus and Interventricular Septal Defect [Drawings (AAT)]. https://collections.library.yale.edu/catalog/15948154.