MLA

Choquart and Peuchot, Opticiens and Constructeurs, Therrien, E. J., MD. Ophthalmological Trial Lens Set. Box 097. ca. late 19th century. https://collections.library.yale.edu/catalog/17316624.

APA, 6th edition

Choquart and Peuchot, Opticiens and Constructeurs, & Therrien, E. J., MD. (["Box 097"])(ca. late 19th century)[Ophthalmological Trial Lens Set]. https://collections.library.yale.edu/catalog/17316624.