MLA

Finch, Robert Mailhouse Stuart, et al. Faught Pocket Blood Pressure Apparatus. 0AD. https://collections.library.yale.edu/catalog/17316584.

APA, 6th edition

Finch, R. M. S., MD, F. A. F., MD, G. P. P., & Company, S. (0 C.E.). Faught Pocket Blood Pressure Apparatus [Tools and Equipment]. https://collections.library.yale.edu/catalog/17316584.