MLA

W. F. Ford, Caswell, et al. Pneumatic Aspirator Syringe. 1880. https://collections.library.yale.edu/catalog/17318771.

APA, 6th edition

W. F. Ford, C., H., & C. (1880). Pneumatic aspirator syringe [Artifacts]. https://collections.library.yale.edu/catalog/17318771.