MLA

Edward G. Loring, Kilgour, Frederick (Yale), Swett, Atwell William, MD (1840-1912) (Dartmouth 1863). Loring Ophthalmoscope. Box 019. 19th century. https://collections.library.yale.edu/catalog/17319709.

APA, 6th edition

Edward G. Loring, & Kilgour, Frederick (Yale), & Swett, Atwell William, MD (1840-1912) (Dartmouth 1863). (["Box 019"])(19th century)[Loring Ophthalmoscope]. https://collections.library.yale.edu/catalog/17319709.