MLA

Blackburne, William. Willm. Blackburne M.D. 0AD. https://collections.library.yale.edu/catalog/16789131.

APA, 6th edition

Blackburne, W. (0 C.E.). Willm. Blackburne M.D. [Bookplates]. https://collections.library.yale.edu/catalog/16789131.