MLA

Co., Simonds Commercial Photo. Yale School of Medicine, Department of Internal Medicine, Approximately 1951. Simonds Commercial Photo Co., 1951. https://collections.library.yale.edu/catalog/16788463.

APA, 6th edition

Co., S. C. P. (1951). Yale School of Medicine, Department of Internal Medicine, approximately 1951 [Photograph]. Simonds Commercial Photo Co. https://collections.library.yale.edu/catalog/16788463.