MLA

Noley Mumey, MD. Laennec Stethoscope. Box 059. 1870. https://collections.library.yale.edu/catalog/17318792.

APA, 6th edition

Noley Mumey, MD. (["Box 059"])(1870)[Laennec Stethoscope]. https://collections.library.yale.edu/catalog/17318792.