MLA

Charles F. Thackeray, Ltd, et al. Charnley Compression Pins. 0AD. https://collections.library.yale.edu/catalog/17324420.

APA, 6th edition

Charles F. Thackeray, L., John Charnley, M. D., & Skreczko, C. K. (0 C.E.). Charnley Compression Pins [Tools and Equipment]. https://collections.library.yale.edu/catalog/17324420.